Development of SH119 BRT Route Pattern Alternatives for Tier 2 - Service Level and BRT Route Pattern Alternatives

Development of SH119 BRT Route Pattern Alternatives for Tier 2 - Service Level and BRT Route Pattern Alternatives June 1, 2018 Development of SH119 BRT Route Pattern Alternatives for Tier 2 - Service Level and BRT Route Pattern Alternatives... 1 June 1, 2018... 1 Overview... 2 BOLT and J Ridership Information... 2 Graphic 1 SH119 BRT Process Pathway... 3 SH119 BRT Scenario #1 (October 30, 2017)... 4 Graphic 2:... 4 SH119 BRT Scenario #2 (December 7, 2017)... 6 Graphic 3:... 6 SH119 BRT Scenario #3-A (December 21, 2017)... 8 Graphic 4:... 8 SH119 BRT Scenario #3-B Sensitivity Test (December 21, 2017)... 9 SH119 BRT Scenario #4 (January 11, 2018)... 10 SH119 BRT Scenario #5 (January 11, 2018)... 11 SH119 BRT Scenario #6 (January 30, 2018)... 11 SH119 BRT Scenario #7 (February 23, 2018)... 13 Graphic 5... 13 SH119 BRT Scenario #8 (March 9, 2018)... 15 Graphic 6:... 15 SH119 BRT Scenario #9 (March 28, 2018)... 16 Branch Map... 18 Graphic 7:... 19 Appendix A Full Scale Maps of SH119 BRT Scenarios... 20 Appendix B SH 119 Bus Rapid Transit Scenario Summary... 21 6_1_2018 1

Overview Between October 2017 and March 2018, ten different modeling exercises were completed for the alternative analysis for a bus rapid transit (BRT) route between Longmont and Boulder running on the SH119. The purpose of these iterations was to provide 2040 transit ridership forecasts to help determine routes, station locations, and modifications to transit service operations. This is a key step in the Alternatives Analysis process. The SH119 BRT Study Process Pathway, Graphic 1, outlines the various study elements. The BRT scenario analysis is part of the BRT Development, the 1 st BRT Alternatives Refinement, which leads to determining a group of alternatives that will then go through the BRT Alternatives Evaluation Tier 2 process that includes a cost/benefit analysis. The BRT alternative scenario development started with one route connecting the two cities via SH119, as recommended from the 2014 North Area Mobility Study (NAMS). Through different stakeholder meetings and public input, five additional BRT scenarios (Model Iterations #2 - #6) were developed that were based on four routes that were distinct in their colors: blue, green, orange, and purple. For Model Iteration #7 - #9, the four routes were separated into individual starting and end points, that are identified by letters, and then mixed-and-matched with different beginning and end points. For all ten different BRT scenarios, the results include average boardings per day forecasted for 2040, which are unlinked trips. Each scenario is summarized below and documents the purpose of the each scenario iteration, what BRT routes (trunk and branches) were included in the model analysis, the service plan assumptions for the BRT routes, service plan assumptions for the BOLT and the J bus routes, guideway configuration of the BRT on SH119, amount of annual service hours generated from the modeling scenario, the assumption of BRT guideway configuration in the cities, the results, and a summary analysis. The full-scale version of all maps/graphics in the summary are found in Appendix A and a summary table of the BRT scenarios, elements of each iteration, and results are found in Appendix B. These modeling exercises help provide information to develop a set of alternatives that will be analyzed through the BRT Alternatives Evaluation Tier 2. BOLT and J Ridership Information In 2017, there were 232 observed boardings per average weekday on the J route and 1,428 boardings per day on the BOLT. BOLT runs all day service with 15-minute a.m. and p.m. peak and 30-minute offpeak service. The BOLT also has 5 deviated trips included in the daily service to provide connections with the Boulder Junction station. The J bus route runs 5 trips in the peak a.m. period that are between 20- minute and 60-minute headway, and runs 4 trips in the p.m. peak that are between 20-minute and 50- minute headway. This combined BOLT/J service requires approximately 34,700 service hours per year. 6_1_2018 2

Alternatives 6_1_2018 3

Graphic 1 SH119 BRT Process Pathway SH119 BRT Scenario #1 (October 30, 2017) Purpose: The purpose of this first iteration was to model an initial route that used the Northwest Area Mobility Study (NAMS) recommendation with stakeholder input. This iteration also tested the different population, housing, and employment factors between the Denver Regional Council of Governments (DRCOG) forecast model, and what the cities of Boulder and Longmont are assuming, which include higher population and employment figures for the long term. The full-scale version of the map in Graphic 2 is found in Appendix A. BRT Route Included: The BRT modeling scenario included one BRT route from 8 th /Coffman in Longmont to Downtown Boulder via Foothills Parkway. BRT Service Assumptions: 10-minute peak and 15-minute off-peak. BRT service span is the same as the BOLT: 5:00 AM to 12:00 midnight. BOLT and J Service Assumptions: BOLT runs all day service with 20-minute to 30-minute headway in a.m., 30-minute off-peak, and 15- minute p.m. peak. J runs peak a.m. (5 trips a.m. between 20-minute and 60-minute headway) and peak p.m. (4 trips p.m. between 20-minute and 50-minute headway) BRT SH 119 Guideway Configuration: Bus on shoulder at 40 mph. Service Hours Generated: With the BOLT and J = 37,900 + 34,700 = 72,600. Without BOLT and J = 37,900 BRT Guideway Configuration in Cities: BRT in mixed traffic Graphic 2: The black line represents the route modeled in Scenario #1. Results: The analysis was completed for 2040 output: 3,450 boardings per day combined for the BRT, BOLT and J using the approved and validated DRCOG inputs; 3,700 boardings in 2040 combined for the BRT, BOLT and J with the cities higher employment/population inputs. The ridership results with the cities inputs are 250 boardings per day (7.2%) higher than with the DRCOG inputs. RTD recognizes this difference and has encouraged the cities to discuss the differences with DRCOG and possibly effect changes in the DRCOG TAZ assumptions. RTD will also use both the DRCOG and city inputs for separate model runs of the Locally Preferred Alternative (LPA) at the end of the Alternatives Analysis process to determine those differences in ridership as well. However, for any potential application for FTA Small Starts funding, FTA will accept only results from the adopted DRCOG regional travel demand model. 6_1_2018 4

As for moving people, this scenario generates a total of 3,450 boardings between the BRT, BOLT and J; 1,200 of the riders are associated with the BRT route, while 2,250 boardings are tied to the BOLT and J. Adding the BRT route increases bus boardings by 35%. Assessing the difference between the outputs related to the different population and employment assumptions between DRCOG and the local cities, boardings between the two scenarios show a 7.2% difference in ridership. The model that has the approved and validated inputs with DRCOG shows ridership at 3,450 for all three lines while the model that has higher employment/population figures generates 3,700 boardings per day. Table: Table 1: SH119 BRT Scenario #1 Route DRCOG Local (Cities of Boulder and Longmont) Difference % Difference BRT 1,200 1,350 150 12.5% BOLT 1,900 2,000 100 5.3% J 350 350-0.0% Total 3,450 3,700 250 7.2% 6_1_2018 5

SH119 BRT Scenario #2 (December 7, 2017) Purpose: After additional technical, stakeholder, policy and public meetings, 4 BRT routes were developed. For this exercise, the BRT routes were modeled independent of each other to gain an understanding of boardings and performance of each individual route. The full-scale version of the map in Graphic 3 is found in Appendix A. BRT Routes Included: The December 7 th scenario includes 4 BRT Lines: Green, Blue, Orange and an alternate Orange line that had a different route in the City of Boulder, specifically along 30 th Street so it could connect with Bounder Junction. BRT Service Assumptions: 10-minute peak and 15- minute off-peak headways for each route, and the same service time span as the BOLT route. BOLT and J Service Assumptions: BOLT runs all day service with 20-minute to 30-minute headway in a.m., 30-minute off-peak, and 15-minute p.m. peak. J runs peak a.m. (5 trips a.m. between 20-minute 60- minute headway) and peak p.m. (4 trips p.m. between 20-minute and 50-minute headway) BRT SH119 Guideway Configuration: Bus on shoulder at 40 mph. Graphic 3: BRT routes modeled in Scenario #2 Service Hours: With the BOLT and J = 74,200-82,700. Without the BOLT and J = 39,500 to 48,000 BRT Guideway Configuration in Cities: BRT in mixed traffic Results: Analysis was run for each line, independent of each other for 2040 output. The highest total ridership was with the Blue line with BOLT and J at 3,590. The analysis also included 2015 and 2017 observed ridership information, and 2040 local transit ridership forecasts in Boulder and Longmont. The goal of this scenario was two-fold: 1) to further define different lines for the possible BRT routes in each city; and 2) to analyze each independently to gain an understanding of total ridership and station boardings. Table 2 includes observed boardings for the BOLT and J bus routes from 2015 and 2017. The observed boardings in 2015 were 1,830 but decreased by 9% in 2017 to 1,660. The BRT Blue route generates a total of 2,620 boardings and when ridership of the BOLT and J are included, it increases to 3,590, or 116% higher than the existing BOLT/J ridership. These results also indicate a shift of ridership from the existing BOLT and J to the BRT. The BRT Green line generates less boardings than the Blue line, with a total of 2,160 boardings. Including existing bus routes at their existing frequencies, the total ridership between Longmont and Boulder increases to 3,280, an increase of 98% from current BOLT/J ridership. 6_1_2018 6

The BRT Orange and Alternative Orange routes generate almost the same number of boardings at 1,490 and 1,470, respectively. When included with the BOLT and J bus ridership, the total boardings are the same at 2,850. This is a 72% increase of bus boardings over the current BOLT/J ridership. Table: Table 2: SH119 BRT Scenario #2 2017 2040 Route Observed Green Line Blue Line Orange Line Alternate Orange Line BRT 0 2,160 2,620 1,490 1,470 BOLT 1,428 870 730 1,120 1,140 J 232 250 240 240 240 Total 1,660 3,280 3,590 2,850 2,850 Boulder Local Routes 24,400 24,300 24,300 24,400 Longmont Local Routes 2,300 2,200 2,300 2,300 6_1_2018 7

SH119 BRT Scenario #3-A (December 21, 2017) Purpose: The third scenario was developed after the stakeholder and technical groups further refined the routes into 4 lines: Blue, Green, Orange, and Purple (which replaced the previous Orange route and provides connections to east Longmont as well as east Boulder). The lines were tested in a combined method with different service assumptions to gain an understanding of what effect this has on transit boardings. The full-scale version of the map in Graphic 4 is found in Appendix A. BRT Routes Included: The third scenario included a total of four refined BRT lines: Blue, Green, Orange and Purple. The Purple route was tested running on Foothills. BRT Service Assumptions: The Blue line was modeled at 15-minute service all day; the Green, Orange, and Purple lines were modeled at 30-minute headway all day service. BOLT and J Service Assumptions: Ran model with AND without BOLT and J. BOLT runs all day service with 20-minute to 30-minute headway in a.m. peak, 30-minute off-peak, and 15- Graphic 4: Map includes all 4 routes modeled in minute p.m. peak. J runs peak a.m. (5 trips a.m. Scenarios #3-A, 3-B, 4, 5, and 6 peak with 20-minute to 60-minute headway) and peak p.m. (4 trips p.m. with 20-minute to 50-minute headway). BRT SH119 Guideway Configuration: Bus on shoulder at 40 mph. Service Hours: With the BOLT and J = 71,600 + 34,700 = 106,300. Without BOLT and J = 71,600 BRT Guideway Configuration in Cities: BRT in mixed traffic Results: The highest total ridership was the blue line with BOLT and J at 3,590. The analysis also included 2015 and 2017 observed ridership information for the BOLT/J, and then 2040 ridership of local transit ridership in Boulder and Longmont. The four BRT patterns were modeled with and without BOLT and J service to see the comparison of boardings. Alone, the four BRT routes generated just over 3,000 boardings a day. With the additional bus service of the two existing routes, there are 3,930 boardings a day with all routes operational. Without running the BOLT and the J, boardings are 3,050. 6_1_2018 8

While the number of daily boardings is the highest in this scenario, it is only 340 boardings higher, than just the blue line (Table 3). Table: Route Four Patterns (With BOLT and J) Table 3 SH119 BRT Scenario #3-A Four Patterns (No BOLT and J) Difference % Difference Four Patterns (No BOLT and J + Extra Stops) SH 119 BRT 2,850 3,050 200 7.0% BOLT 830 (830) -100% J 250 (250) -100% Total 3,930 3,050 (880) -22.0% 3,290 3,290 SH119 BRT Scenario #3-B Sensitivity Test (December 21, 2017) Purpose: This alternative was developed to gain an understanding of the effects of having an exclusive and faster lane (55 mph) on SH 119 in comparison to the NAMS study recommendation of running buson-shoulder, which would run at approximately 40 mph. For this sensitivity test, the Blue line was the only BRT route modeled with the BOLT and J. BRT Routes Included: This sensitivity test only included the Blue line. BRT Service Assumptions: It was assumed that the Blue line was running 10-minute service during peak hours and 15-minute service in the off-peak hours. BOLT and J Service Assumptions: BOLT runs all day service with 20-minute to 30-minute headway in a.m. peak, 30-minute off-peak, and 15-minute p.m. peak. J runs peak a.m. (5 trips a.m. with 20-minute to an hour headway) and peak p.m. (4 trips p.m. with 20-minute to 50-minute headway) BRT SH119 Guideway Configuration: Bus on Shoulder at 40 mph, and exclusive lanes on SH119. Service Hours: With the BOLT and J = 46,400 + 34,700 = 81,100. Without BOLT and J = 46,400 BRT Guideway Configuration in Cities: BRT in mixed traffic Results: With the BRT Blue line running on the shoulder (at 40 mph) on SH 119 and making local connections in Boulder and Longmont, it generates 2,620 boardings. The other scenario with BRT operating in an exclusive lane on SH 119 (at 55 mph) with stops in both cities, creates 2,820 boardings a day or 7.6% higher than the bus on shoulder option. When the BRT Blue line and local BOLT and J bus services are analyzed together, ridership increases to a total of 3,590 boardings a day when the BRT is running on shoulder, and to 3,810 boardings when BRT is running in an exclusive lane on SH 119. Although the BRT would be operating 37.5% faster than the bus on shoulder option on SH119, it only attracts 7.6% higher ridership on the BRT. This is because the SH 119 portion of the total route 6_1_2018 9

represents only about one-half of the corridor, so the travel time benefit is limited; there are no more access points (stations) with the exclusive lanes vs bus-on-shoulder; and the walk times are the same for both scenarios. Consequently, the speed difference does not generate a significant ridership difference. The annual service hours that are needed for this scenario totals 76,100, which is a 119% increase over existing BOLT/J service hours. Table: Route Table 4 SH119 BRT Scenario (Sensitivity Test) #3-B Blue Line (SH119 bus-onshoulder 40 mph) Blue Line (SH119 exclusive lanes 55 mph) Difference % Difference BRT 2,620 2,820 200 7.6% BOLT 730 740 10 1.4% J 240 250 10 4.2% Total 3,590 3,810 220 6.1% SH119 BRT Scenario #4 (January 11, 2018) Purpose: This alternative was completed to test all four branches together with high frequency. BRT Routes Included: The fourth BRT scenario that was completed included the four BRT lines: Blue, Green, Orange and Purple. The routes were modeled together as a combined system, with boardings outlined per route in Table 5. Service Assumptions: 20-minute headway all-day service (3 buses per hour per direction) assumed for all four branches, producing a blended headway of 5 minutes along the SH 119 trunk. BOLT and J Service Assumptions: Ran model with AND without BOLT and J. BOLT runs all day service with 20-minute to 30-minute headway in a.m. peak, 30-minute off-peak, and 15-minute p.m. peak. J runs peak a.m. (5 trips a.m. with 20-minute to 60-minute headway) and peak p.m. (4 trips p.m. with 20- minute to 50-minute headway) BRT SH119 Guideway Configuration: Bus on Shoulder at 40 mph. Service Hours: With the BOLT and J = 91,800 + 34,700 = 126,500. Without BOLT and J = 91,800 BRT Guideway Configuration in Cities: BRT in mixed traffic Results: When modeled for boardings in 2040, the four BRT routes generate 3,760 boardings per day; combined with the BOLT and J, ridership increases to 4,845. When the four BRT routes are run without the BOLT and J, ridership is 4,020. The annual service hours that are needed for this 4-line BRT scenario (without the BOLT/J) totals 91,800, which is a 165% increase over existing BOLT/J service hours. 6_1_2018 10

Table: Route 119 BRT Table 5 SH119 BRT Scenario #4 Alignment 2040 Daily Boardings with 2040 Daily Boardings without BOLT/J BOLT/J Blue 1,220 1,290 Green 970 1,070 Orange 1,020 1,050 Purple 550 610 Sub-Total 3760 4,020 BOLT 840 J 245 Total 4,845 4,020 SH119 BRT Scenario #5 (January 11, 2018) BRT Routes Included: This alternative included just the Blue and Orange BRT lines, without the BOLT/J. Service Assumptions: 20-minute headway all-day service. BOLT and J Service Assumptions: This scenario was modeled without the BOLT and J. BRT SH119 Guideway Configuration: Bus on Shoulder at 40 mph. Service Hours: 57,400 BRT Guideway Configuration in Cities: BRT in mixed traffic. Results: Running two of the proposed BRT lines with dedicated BRT lanes in Boulder and Longmont generated a total of 3,020 boardings. This scenario was developed to determine how much ridership might be generated by two BRT lines. The results demonstrate that the Blue and Orange lines alone generate 75% of the ridership generated by all four BRT lines in the previous model run, with half of the annual service hours. Table: Route 119 BRT Table 6 SH119 BRT Scenario #5 Alignment 2040 Daily Boardings without BOLT/J Blue 1,720 Orange 1,300 Total 3,020 SH119 BRT Scenario #6 (January 30, 2018) Purpose: This scenario was developed to begin testing a possible optimization strategy for the four BRT routes that includes different service levels. Additionally, this scenario tested business access and transit (BAT) lanes along the route alignments in the local cities. BRT Routes Included: This option included operation of all four branch lines. 6_1_2018 11

SH119 BRT Scenario #7 (February 23, 2018) Purpose: The seventh SH119 BRT scenario was developed to gain an understanding of travel time, service levels, boardings, and the effect of different branch combinations between Longmont and Boulder. Another change that occurred in this model iteration from previous versions is that the purple and orange routes were modified. The purple line was rerouted in Longmont; it was previously running east/west along 3 rd Avenue to County Line Rd., and model iteration #7 moves the route to travel on 3 rd Avenue, and then travel north/south along Pace to connect to Main Street and SH 66. In Boulder, the orange line was shortened to end at CU East Campus, where previously it traveled to US 36 and Table Mesa, and the purple line was routed to follow the orange line through CU East Campus as well. The revised routes can be found in Graphic 5. With these changes, three of the four routes: blue, orange and purple were separated into 3 branch lines in Longmont and 2 in Boulder. In Longmont, the orange line was identified as A, the blue line as B, and the revised purple line as C. The 2 branch lines in Boulder: E (blue) and F (modified purple to include CU East connection). The branch lines were then paired with different beginning and end points that totaled six routes. Each route was modeled independently. This information can be found in Table 8 below. BRT Routes Included: This scenario included the six BRT routes noted in Table 8 that were modeled separately: Graphic 5: Map of routes and branches for Scenario #7 Table 8 - Key and Route Configurations for SH119 BRT Scenario #7 Key Model Iteration #7 Routes A - Longmont Orange AE - Longmont Orange/Boulder Blue B - Longmont Blue AF - Longmont Orange/Boulder Purple C - Revised Longmont Purple (via Pace) BE - Longmont Blue/Boulder Blue D Longmont Green BF - Longmont Blue/Boulder Purple E - Boulder Blue (via Canyon to CU Main) CE - Longmont Purple/Boulder Blue F - Revised Boulder Purple #1 (through CU East Campus) CF - Longmont Purple/Boulder Purple 6_1_2018 13

Service Assumptions: 15-minute all day. Each route was modeled independently. BOLT and J Service Assumptions: This scenario was modeled without the BOLT and J. BRT SH119 Guideway Configuration: Bus on Shoulder at 40 mph. Service Hours: AE - Longmont Orange/Boulder Blue: 41,400 hours AF - Longmont Orange/Boulder Purple: 46,100 hours BE - Longmont Blue/Boulder Blue: 41,400 hours BF - Longmont Blue/Boulder Purple: 46,100 hours CE - Longmont Purple/Boulder Blue: 46,100 hours CF - Longmont Purple/Boulder Purple: 52,900 BRT Guideway Configuration in Cities: BRT in mixed traffic Results: In this alternative, the various branch combinations independently generated between 2,160 and 2,440 weekday boardings, with annual service hours ranging from 41,400 to 52,900, or 19-52% more than the existing BOLT/J service hours. The mixing and matching of branches produced different results with the highest amount of boardings on the revised Longmont purple branch to the blue line in Boulder (2,440). The lowest amount of riders, 2,160, was the Longmont blue branch ending in Boulder via the purple branch. Table: Table 9 SH119 BRT Scenario #7 BRT Branch Pattern Service Hours 2040 Daily Boardings AE - Longmont Orange/Boulder Blue 41,400 2,380 AF - Longmont Orange/Boulder Purple 46,100 2,310 BE - Longmont Blue/Boulder Blue 41,400 2,260 BF - Longmont Blue/Boulder Purple 46,100 2,160 CE - Longmont Purple/Boulder Blue 46,100 2,440 CF - Longmont Purple/Boulder Purple 52,900 2,350 6_1_2018 14

SH119 BRT Scenario #8 (March 9, 2018) Purpose: This scenario was developed to test modifications of four route branches (blue, green, orange and purple) in the City of Boulder. BRT Routes Included: This iteration modeled four routes in a combined scenario. The four modified routes in the City of Boulder are shown in Graphic 6 and explained below. The blue line extends along 28 th Street south to Colorado, then west thru CU main campus to Broadway/Euclid, with 15-min. headway all day; no longer goes to Downtown Boulder Green line now goes to Downtown Boulder, with 30- min. headway all day; no longer extends along Broadway to CU main campus Orange line retains previous alignment along 30 th Street and ends at CU east campus, with 15-min. peak/30-min. off-peak headways Purple line now operates on Foothills Parkway to Arapahoe and ends at 55 th /Arapahoe with 30-min. headway all day; no longer goes to CU east campus. The full version of the map can be found in Appendix A. As well, for each revised branch, a letter was assigned to the branch, and the key from model iteration #7 was expanded. This is noted in Table 10. Graphic 6: Map of four routes in Scenario #8 Table 10 - Key and Route Configurations for SH119 BRT Scenario #8 Key Model Iteration #8 Routes A - Longmont Orange BG -Longmont Blue/Rev. Boulder Blue B - Longmont Blue DH - Longmont Green/Rev. Boulder Green C - Revised Longmont Purple (via Pace) AI - Longmont Orange/Rev. Boulder Orange D Longmont Green CJ - Rev. Longmont Purple/Rev. Boulder Purple E - Boulder Blue (via Canyon to CU Main) F - Revised Boulder Purple #1 (through CU East Campus) G - Revised Boulder Blue (via Colorado to CU Main) H - Revised Boulder Green (via Colorado to CU Main) I - Revised Boulder Orange (to CU East) J - Revised Boulder Purple #2 (via Foothills to Arapahoe/55th) 6_1_2018 15

Service Assumptions: Blue = 15-minute peak and off-peak, plus weekend service; Green line 15- minute peak only service; Orange and Purple Lines 30-minute= peak only service. BOLT and J Service Assumptions: This scenario was modeled without the BOLT and J. BRT SH119 Guideway Configuration: Bus on Shoulder at 40 mph. Service Hours: 84,200 BRT Guideway Configuration in Cities: BRT in mixed traffic Results: The analysis was completed for 2040 projected boardings, with all four routes modeled at once, without the BOLT and J. The daily boardings are projected to be at 3,410 passengers. This iteration shows a higher (3,410 boardings in comparison to Model Iteration #6 3,040 boardings), yet consistent amount of projected boardings in 2040 like other model results. Table: Table 11 - SH119 BRT Scenario #8 Results SH 119 Headways (mins) Daily Boardings BRT Pattern Peak Off Peak BG -Longmont Blue/Rev. Boulder Blue 15 15 1,730 DH - Longmont Green/Rev. Boulder Green 30 30 260 AI - Longmont Orange/Rev. Boulder Orange 15 30 900 CJ - Rev. Longmont Purple/Rev. Boulder Purple 30 30 520 Total 3,410 SH119 BRT Scenario #9 (March 28, 2018) Purpose: This scenario was developed to conduct a sensitivity test that is based on lowering the speed of the bus in peak periods on the trunk line. The bus on shoulder was modeled in peak period, peak direction at 15 mph speed differential compared to general purpose (GP) lane speeds (averaged speed of 30 mph on entire corridor for all links combined). BRT operates in the general-purpose lanes during off-peak period and off-peak direction in peak period. BRT Routes Included: This iteration modeled four routes in a combined scenario. The four modified routes in the City of Boulder are shown in Graphic 6 and explained below. The blue line extends along 28 th Street south to Colorado, then west thru CU main campus to Broadway/Euclid, with 15-min. headway all day; no longer goes to Downtown Boulder Green line now goes to Downtown Boulder, with 30-min. headway all day; no longer extends along Broadway to CU main campus Orange line retains previous alignment along 30 th Street and ends at CU east campus, with 15-min. peak/30-min. off-peak headways Purple line now operates on Foothills Parkway to Arapahoe and ends at 55 th /Arapahoe with 30-min. headway all day; no longer goes to CU east campus. The full version of the map can be found in Appendix A and the BRT branch patterns are noted in Table 10. 6_1_2018 16

Branch Map The alternative development work for the SH119 BRT project began with one route and the iterative process led to testing 10 branches with different routes and service levels. Table 12 is a key for the branches, and Graphic 7 shows the branch locations in Longmont and Boulder that were tested. This map and key will be used to develop a set of alternatives that will be analyzed through the BRT Alternatives Evaluation Tier 2. Table 12 - Key for Branch Lines Branch Lines A - Longmont Orange B - Longmont Blue C - Revised Longmont Purple (via Pace) D Longmont Green E - Boulder Blue (via Canyon to CU Main) F - Revised Boulder Purple #1 (through CU East Campus) G - Revised Boulder Blue (via Colorado to CU Main) H - Revised Boulder Green (via Colorado to CU Main) I - Revised Boulder Orange (to CU East) J - Revised Boulder Purple #2 (via Foothills to Arapahoe/55th) 6_1_2018 18

Graphic 7: Map of Branch Options 6_1_2018 19

Appendix A Full Scale Maps of SH119 BRT Scenarios 6_1_2018 20

Appendix B SH 119 Bus Rapid Transit Scenario Summary 6_1_2018 21

BRT Routes Included BRT Routes Modeled Combined or Independent? Scenario #1 Oct. 30, 2017 Blue Scenario #2 December 7, 2017 Green Blue Orange Alt. Orange Scenario #3-A December 21, 2017 Green Blue Orange Purple Scenario #3-B December 21, 2017 Blue Scenario #4 January 11, 2018 Green Blue Orange Purple Scenario #5 January 11, 2018 Blue Orange Scenario #6 January 30, 2018 Green Blue Orange Purple Scenario #7 February 23, 2018 AE - Longmont Orange/Boulder Blue AF - Longmont Orange/Boulder Purple BE - Longmont Blue/Boulder Blue BF - Longmont Blue/Boulder Purple CE - Rev. Longmont Purple/Boulder Blue CF - Rev. Longmont Purple/Boulder Orange Scenario #8 March 9, 2018 Scenario #9 March 28, 2018 BG -Longmont Blue/Rev. Boulder Blue BG -Longmont Blue/Rev. Boulder Blue DH - Longmont Green/Rev. Boulder Green DH - Longmont Green/Rev. Boulder Green AI - Longmont Orange/Rev. Boulder Orange AI - Longmont Orange/Rev. Boulder Orange CJ - Rev. Longmont Purple/Rev. Boulder Purple CJ - Rev. Longmont Purple/Rev. Boulder Purple Independent Independent Combined Independent Combined Combined Combined Independent Combined Combined # of Stations Per Route 12 11-13 11-14 14 11-14 13-14 11-14 14-16 (per route) 10-14 10-14 BRT SH119 Trunk Configuration BRT Guideway Configuration in Cities Bus on Shoulder @ 40 mph Bus on Shoulder @ 40 mph Bus on Shoulder @ 40 mph Bus on Shoulder @ 40 mph and Exclusive Lanes @55 mph Bus on Shoulder @ 40 mph Bus on Shoulder @ 40 mph BRT in mixed traffic BRT in mixed traffic BRT in mixed traffic BRT in mixed traffic BRT in mixed traffic BRT in mixed traffic Bus on Shoulder @ 40 mph With and without all BAT Lanes Bus on Shoulder @ 40 mph Bus on Shoulder @ 40 mph Bus on Shoulder during peak period in peak direction at 15mph speed differential compared to general purpose (GP) lane speeds (averaged speed of 30mph on entire corridor for all links combined). BRT operates in General Purpose lanes during off-peak period and off-peak direction in peak period. BRT in mixed traffic BRT in mixed traffic BRT in mixed traffic Was Bolt and J included? Yes Yes Yes and No Yes Yes and No No No No No No Service Level Plans: (minutes) Peak: 10 Off Peak: 15 Peak: 10 Off Peak: 15 Blue: 15-min. all day Green, Orange, and Purple: 30-min. all day SH 119 Bus Rapid Transit Scenario Summary Peak: 10 Off Peak: 15 20 - min. all day 20 - min. all day Blue: 15-min. all day Green: 15-min. peak Orange & Purple: 30- min peak only 15-min. all day (run separately) BG -Longmont Blue/Rev. Boulder Blue: 15-min. all day DH - Longmont Green/Rev. Boulder Green: 30- min. all day AI - Longmont Orange/Rev. Boulder Orange: 15-min. peak, 30-min. off peak CJ - Rev. Longmont Purple/Rev. Boulder Purple, 30-min. all day BG -Longmont Blue/Rev. Boulder Blue: 15-min. all day DH - Longmont Green/Rev. Boulder Green: 30- min. all day AI - Longmont Orange/Rev. Boulder Orange: 15-min. peak, 30-min. off peak CJ - Rev. Longmont Purple/Rev. Boulder Purple, 30-min. all day BRT Boardings 1,200 Green: 2,160 Blue: 2,620 Orange: 1,490 Alt. Orange: 1,470 With the BOLT and J: 2,850 Without the BOLT and J: 3,050 Bus on Shoulder: 2,620 Exclusive: 2,820 With the BOLT and J: 3,760 Without the BOLT and J: 4,020 3,020 Without BAT Lanes: 3,040 With all BAT Lanes: 3,130 (Net gain - 90 boardings with BAT lanes on all local streets) AE - Longmont Orange/Boulder Blue: 2,380 AF - Longmont Orange/Boulder Purple: 2,310 BE - Longmont Blue/Boulder Blue: 2,260 BF - Longmont Blue/Boulder Purple: 2,160 CE - Rev. Longmont Purple/Boulder Blue: 2,440 CF - Rev. Longmont Purple/Boulder Orange: 2,350 BG -Longmont Blue/Rev. Boulder Blue: 1,730 DH - Longmont Green/Rev. Boulder Green: 260 AI - Longmont Orange/Rev. Boulder Orange: 900 CJ - Rev. Longmont Purple/Rev. Boulder Purple: 520 BG -Longmont Blue/Rev. Boulder Blue: 1,670 DH - Longmont Green/Rev. Boulder Green: 260 AI - Longmont Orange/Rev. Boulder Orange: 890 CJ - Rev. Longmont Purple/Rev. Boulder Purple: 500 Bolt & J Boardings 2,250 970-1,380 1,080 Bus on Shoulder: 970 Exclusive: 990 1,085 0 0 0 0 0 Total Boardings 3,450 Green: 3,280 Blue: 3,590 Orange: 2,850 Alt. Orange: 2,850 With the BOLT and J: 3,930 Without the BOLT and J: 3,050 Bus on Shoulder: 3,590 Exclusive: 3,810 (Net gain - 220 boardings with exclusive lane on SH119) With the BOLT and J: 4,845 Without the BOLT and J: 4,020 3,020 Without BAT Lanes: 3,040 With all BAT Lanes: 3,130 (Net gain - 90 boardings with BAT lanes on all local streets) AE - Longmont Orange/Boulder Blue: 2,380 AF - Longmont Orange/Boulder Purple: 2,310 BE - Longmont Blue/Boulder Blue: 2,260 BF - Longmont Blue/Boulder Purple: 2,160 CE - Rev. Longmont Purple/Boulder Blue: 2,440 CF - Rev. Longmont Purple/Boulder Orange: 2,350 3,410 3,320 Service Hours With the BOLT and J = 37,900 + 34,700 = 72,600. Without BOLT and J = 37,900 With the BOLT and J = 74,200-82,700. Without the BOLT and J = 39,500 to 48,000 With the BOLT and J = 71,600 + 34,700 = 106,300. Without BOLT and J = 71,600 With the BOLT and J = 46,400 + 34,700 = 81,100. Without BOLT and J = 46,400 With the BOLT and J = 91,800 + 34,700 = 126,500. Without BOLT and J = 91,800 57,400 64,500 (4 BRT lines only without BAT lanes) 41,400-52,900 (Individual Routes) 84,200 84,200 KEY for Model Iteration #7, #8, and #9 A - Longmont Orange B - Longmont Blue C - Revised Longmont Purple (via Pace) D - Longmont Green E - Boulder Blue (via Canyon to CU Main) F - Revised Boulder Purple #1 (through CU East Campus) G - Revised Boulder Blue (via Colorado to CU Main) H - Revised Boulder Green (ending at Downtown Boulder Station) I - Revised Boulder Orange (to CU East) J - Revised Boulder Purple #2 (via Foothills to Arapahoe/55th)