Final August 2025 Service Changes
The following service changes take effect Sunday, August 31. These changes are designed to support seasonal ridership trends, account for continued progress on the Downtown Rail Reconstruction Project, and align with RTD’s System Optimization Plan while enhancing the overall customer experience.
Customer feedback is essential to shaping RTD’s service changes. We sincerely appreciate our customers for sharing their feedback—whether by completing a survey, joining a public meeting, speaking with a service planner, sending an email, or simply stopping by to chat at a community event. Thank you for your participation and feedback as we strive to make lives better through connections.
Final August 2025 Service Changes
Dashboard: Routes and Lines
D
18th•California – Littleton•Mineral
- Schedule Timing
- Route Adjustment
Change
D Line trains will reroute to serve Union Station by way of 10th•Osage, Auraria West, Empower Field at Mile High, and Ball Arena•Elitch Gardens, with schedules being adapted to accommodate the rerouting.
Reason
This routing allows for D Line customers to travel to/from Downtown Denver while subsequent phases of the Downtown Rail Reconstruction Project take place.
Survey Results
Out of 99 respondents, 50% reported a positive impact from the change, 2% indicated it had no impact, and 47% perceived the change negatively.
E
Union Station – RidgeGate Parkway
- Schedule Timing
Change
Minor changes to weekday, Saturday and Sunday schedules.
Reason
Changes account for D Line trains rerouting to serve Union Station while subsequent phases of the Downtown Rail Reconstruction Project take place.
Survey Results
Out of 61 respondents, 15% reported a positive impact from the change, 39% indicated it had no impact, and 46% perceived the change negatively.
H
18th•California – Florida
- Schedule Timing
- Route Adjustment
Change
H Line trains will only operate between Florida and Southmoor stations.
Reason
Subsequent phases of the Downtown Rail Reconstruction Project will not allow for RTD to operate trains at Colfax at Auraria through the Downtown Loop. With the D Line rerouting to serve Union Station, there is not track capacity to reroute the H Line to Union Station. H Line customers can transfer to/from E Line at Southmoor for service to/from Union Station.
Survey Results
Out of 72 respondents, 7% reported a positive impact from the change, 10% indicated it had no impact, and 84% perceived the change negatively.
L
30th•Downing – 16th•Stout
- Service Reduction
Change
Suspension of service.
Reason
Subsequent phases of the Downtown Rail Reconstruction Project will not allow for RTD to operate trains in the Downtown Loop. L Line customers can take Bus Route 43 as an alternative.
Survey Results
Out of 24 respondents, 12% reported a positive impact from the change, 13% indicated it had no impact, and 75% perceived the change negatively.
R
Lincoln – Peoria
- Schedule Timing
Change
Minor changes to weekday, Saturday and Sunday schedules.
Reason
Improve on-time performance while accommodating changes to the E and H lines.
Survey Results
Out of 17 respondents, 41% reported a positive impact from the change, 35% indicated it had no impact, and 24% perceived the change negatively.
W
Union Station – JeffCo Gov't Center•Golden
- Schedule Timing
Change
Minor changes to weekday, Saturday and Sunday schedules.
Reason
Improve on-time performance while accommodating the D Line rerouting to serve Union Station.
Survey Results
Out of 24 respondents, 50% reported a positive impact from the change, 33% indicated it had no impact, and 17% perceived the change negatively.
3L
East Alameda Limited
- Schedule Timing
Change
Minor changes to weekday schedule.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 9 respondents, 56% reported a positive impact from the change, 44% indicated it had no impact, and 0% perceived the change negatively.
6
East 6th Avenue
- Schedule Timing
- Route Adjustment
Change
Route will be extended to directly serve the Community College of Aurora from Aurora Metro Center on select trips, with a new routing that includes several turns through Centrepoint, Alameda, Chambers, and Centretech Parkway. The return route will follow the same streets in reverse, while service west of Aurora Metro Center will remain unchanged.
Reason
Changes address customer and stakeholder feedback.
Survey Results
Out of 13 respondents, 53% reported a positive impact from the change, 31% indicated it had no impact, and 15% perceived the change negatively.
10
East 12th Avenue
- Schedule Timing
Change
Minor changes to weekday, Saturday, and Sunday schedules.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 13 respondents, 30% reported a positive impact from the change, 54% indicated it had no impact, and 15% perceived the change negatively.
11
Mississippi Avenue
- Schedule Timing
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 8 respondents, 50% reported a positive impact from the change, 38% indicated it had no impact, and 13% perceived the change negatively.
20
20th Avenue
- Schedule Timing
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 12 respondents, 34% reported a positive impact from the change, 33% indicated it had no impact, and 33% perceived the change negatively.
24
University Blvd
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 24 respondents, 33% reported a positive impact from the change, 42% indicated it had no impact, and 25% perceived the change negatively.
28
28th Avenue
- Schedule Timing
Change
Minor changes to weekday, Saturday, and Sunday schedules.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 10 respondents, 50% reported a positive impact from the change, 30% indicated it had no impact, and 20% perceived the change negatively.
29
Riverbend
- Service Reduction
Change
Suspension of service.
Reason
With the implementation of changes to the Route 30, and as described in the System Optimization Plan, Route 29 will be replaced by extended trips on Route 30.
Survey Results
Out of 7 respondents, 29% reported a positive impact from the change, 0% indicated it had no impact, and 71% perceived the change negatively.
30
South Federal
- Schedule Timing
- Route Adjustment
Change
Southbound trips on Route 30 will be extended from Federal/Evans to Littleton•Downtown Station.
Reason
Changes account for suspension of Route 29 while maintaining existing service coverage and frequency, in support of RTD’s System Optimization Plan.
Survey Results
Out of 12 respondents, 67% reported a positive impact from the change, 0% indicated it had no impact, and 33% perceived the change negatively.
31
Federal Blvd
- Service Reduction
Change
Reduction of the number of Sunday trips.
Reason
Eliminate duplicative trips southbound due to the increased service and expanded coverage provided by changes to Route 30, in support of RTD’s System Optimization Plan.
Survey Results
Out of 11 respondents, 18% reported a positive impact from the change, 18% indicated it had no impact, and 64% perceived the change negatively.
32
32nd Avenue
- Schedule Timing
- Service Increase
- Route Adjustment
Change
Eastbound trips extended from Union Station to serve Civic Center Station along 15th and 17th Streets.
Reason
Increase service capacity in the downtown area.
Survey Results
Out of 15 respondents, 87% reported a positive impact from the change, 0% indicated it had no impact, and 13% perceived the change negatively.
35
Hampden Avenue
- Schedule Timing
- Service Increase
- Route Adjustment
Change
Route 35 will be rerouted to replace service lost from Route 30’s extension, while its southern segment will be discontinued to avoid overlap. Frequency will increase to 30 minutes, and a new tripper will replace the discontinued seasonal tripper from Route 30.
Reason
These changes restore coverage from Route 30’s shift, reduce redundant service, and align with RTD’s System Optimization Plan goals to improve efficiency, increase frequency, and maintain seasonal service in key areas.
Survey Results
Out of 15 respondents, 53% reported a positive impact from the change, 7% indicated it had no impact, and 40% perceived the change negatively.
36
Fort Logan
- Schedule Timing
Change
Schedule adjustments will create consistent hourly service by adding weekend trips—southbound at 8:30 a.m., 9:30 p.m., and 11:30 p.m., and northbound at 9:30 a.m. and 10:30 p.m. Additional trip times have been slightly shifted to maintain even trip spacing.
Reason
Provide a more reliable and predictable schedule for customers.
Survey Results
Out of 8 respondents, 63% reported a positive impact from the change, 25% indicated it had no impact, and 13% perceived the change negatively.
42
Montbello via Albrook/GVR
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 4 respondents, 50% reported a positive impact from the change, 50% indicated it had no impact, and 0% perceived the change negatively.
44
44th Avenue
- Schedule Timing
Change
Minor changes to weekday, Saturday, and Sunday schedules.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 15 respondents, 54% reported a positive impact from the change, 33% indicated it had no impact, and 13% perceived the change negatively.
45
Montbello via 51st/GVR
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 6 respondents, 34% reported a positive impact from the change, 50% indicated it had no impact, and 17% perceived the change negatively.
51
Sheridan Blvd
- Schedule Timing
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 6 respondents, 66% reported a positive impact from the change, 33% indicated it had no impact, and 0% perceived the change negatively.
52
West 52nd Avenue/South Bannock
- Schedule Timing
- Route Adjustment
Change
A minor northbound reroute will be implemented at Alameda Station, shifting the return path to Cherokee Street from Alameda Avenue to Dakota Avenue.
Reason
Reduce delays by avoiding the high-traffic conditions commonly experienced along Alameda Avenue.
Survey Results
Out of 8 respondents, 38% reported a positive impact from the change, 37% indicated it had no impact, and 26% perceived the change negatively.
65
Monaco Parkway
- Schedule Timing
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 9 respondents, 33% reported a positive impact from the change, 33% indicated it had no impact, and 33% perceived the change negatively.
73
Quebec Street
- Schedule Timing
- Seasonal Adjustment
Change
Reinstate seasonal tripper service.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 6 respondents, 34% reported a positive impact from the change, 50% indicated it had no impact, and 17% perceived the change negatively.
76
Wadsworth Crosstown
- Schedule Timing
Change
Minor changes to weekday, Saturday, and Sunday schedules.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 15 respondents, 60% reported a positive impact from the change, 20% indicated it had no impact, and 20% perceived the change negatively.
83D
Cherry Creek/Parker Road Limited
Change
Minor changes to the 83D weekday schedule.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 17 respondents, 48% reported a positive impact from the change, 47% indicated it had no impact, and 6% perceived the change negatively.
83L
Cherry Creek/Parker Road Limited
- Schedule Timing
Change
Minor changes to the 83L weekday, Saturday, and Sunday schedules.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 17 respondents, 48% reported a positive impact from the change, 47% indicated it had no impact, and 6% perceived the change negatively.
100
Kipling Street
- Schedule Timing
Change
It is proposed to establish consistent hours of operation across all service days, which would result in eliminating some existing early-morning trips while adding some evening trips
Reason
Alignment with SOP and ridership levels
104L
Wagon Road/DEN Limited
- Schedule Timing
Change
Extend hours of operation to 12:20 a.m. on weekdays, Saturdays and Sundays.
Reason
Currently, the last westbound bus leaves DEN at 11:20 p.m., while the current DEN work shifts end at 11:30 p.m. This change provides airport workers, flight personnel and traveling customers access to needed transit connections.
Survey Results
Out of 15 respondents, 60% reported a positive impact from the change, 40% indicated it had no impact, and 0% perceived the change negatively.
116X
South Simms Express
- Schedule Timing
Change
Minor changes to weekday, Saturday, and Sunday schedules.
Reason
Improve on-time performance and service reliability.
120
120th Avenue
- Schedule Timing
Change
Eastbound trips will leave 2-3 minutes earlier on weekdays, Saturdays, and Sundays.
Reason
Schedule changes allow for better connections to the N Line at Eastlake•124th Avenue Station.
Survey Results
Out of 12 respondents, 58% reported a positive impact from the change, 33% indicated it had no impact, and 8% perceived the change negatively.
135
Smoky Hill Road
- Schedule Timing
- Service Increase
Change
Increase peak-period service frequency to 30 minutes, while keeping 60-minute frequency during midday and evening service.
Reason
Support RTD's System Optimization Plan.
Survey Results
Out of 9 respondents, 77% reported a positive impact from the change, 0% indicated it had no impact, and 22% perceived the change negatively.
204
Table Mesa/Moorhead/North 19th
- Schedule Timing
- Service Increase
Change
A 3:14 p.m. northbound trip from Table Mesa/Broadway to Front Range/Broadway will be added to schedule, along with restoration of fall/winter seasonal tripper service.
Reason
Support ridership levels of Boulder Valley School District students.
Survey Results
Out of 12 respondents, 75% reported a positive impact from the change, 25% indicated it had no impact, and 0% perceived the change negatively.
205
28th Street/Gunbarrel
- Schedule Timing
- Service Increase
Change
A 4:03 p.m. eastbound trip from Downtown Boulder Station will be added to schedule, along with restoration of fall/winter seasonal tripper service.
Reason
Support ridership levels of Boulder Valley School District students.
Survey Results
Out of 9 respondents, 55% reported a positive impact from the change, 33% indicated it had no impact, and 11% perceived the change negatively.
206
Conestoga/Arapahoe/Fairview High School
- Schedule Timing
- Service Increase
Change
Add a 7:52 a.m. southbound trip from Conestoga/Arapahoe, and a 4:02 p.m. northbound trip from Fairview High School, along with restoration of fall/winter seasonal tripper service.
Reason
Support ridership levels of Boulder Valley School District and CU Boulder students.
Survey Results
Out of 9 respondents, 67% reported a positive impact from the change, 33% indicated it had no impact, and 0% perceived the change negatively.
208
Iris/Valmont
- Schedule Timing
- Service Increase
Change
Add a 7:44 a.m. westbound trip from Conestoga/Arapahoe, along with restoration of fall/winter seasonal tripper service. At Downtown Boulder Station, buses will relocate to serve Gate P, located on 14th Street between Arapahoe and Canyon.
Reason
Support ridership levels of Boulder Valley School District students.
Survey Results
Out of 7 respondents, 57% reported a positive impact from the change, 43% indicated it had no impact, and 0% perceived the change negatively.
225
Boulder/Lafayette via Baseline
- Schedule Timing
Change
Restore fall/winter service levels. At Downtown Boulder Station, buses will relocate to serve Gate S, located on 14th Street between Arapahoe and Canyon.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 11 respondents, 82% reported a positive impact from the change, 9% indicated it had no impact, and 9% perceived the change negatively.
225D
Boulder/Lafayette via Baseline
- Schedule Timing
Change
Restore fall/winter service levels. At Downtown Boulder Station, buses will relocate to serve Gate S, located on 14th Street between Arapahoe and Canyon.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 11 respondents, 82% reported a positive impact from the change, 9% indicated it had no impact, and 9% perceived the change negatively.
228A
Lafayette/Louisville/Broomfield
- Schedule Timing
- Route Adjustment
Change
Service will be rerouted into a new stop at US36 & McCaslin Station (Gate C, Superior side) via Marshall Rd, Sycamore Street, Center Drive, and Marshall Rd.
Reason
Changes improve connections with regional services along US 36 connecting with Route 228, while also adding a connection point to Flatiron Flyer and Route AB services, also eliminating a current safety issue related to the current southbound turn from McCaslin Boulevard onto Marshall Road.
Survey Results
Out of 10 respondents, 70% reported a positive impact from the change, 20% indicated it had no impact, and 10% perceived the change negatively.
228F
Lafayette/Louisville/Broomfield
- Schedule Timing
- Route Adjustment
Change
Service will be rerouted into a new stop at US36 & McCaslin Station (Gate C, Superior side) via Marshall Rd, Sycamore Street, Center Drive, and Marshall Rd.
Reason
Changes improve connections with regional services along US 36 connecting with Route 228, while also adding a connection point to Flatiron Flyer and Route AB services, also eliminating a current safety issue related to the current southbound turn from McCaslin Boulevard onto Marshall Road.
Survey Results
Out of 10 respondents, 70% reported a positive impact from the change, 20% indicated it had no impact, and 10% perceived the change negatively.
323
Skyline Crosstown
- Schedule Timing
- Service Increase
Change
Minor changes to schedule.
Reason
Improve on-time performance and service reliability.
Survey Results
Out of 10 respondents, 80% reported a positive impact from the change, 20% indicated it had no impact, and 0% perceived the change negatively.
327
Eastside Crosstown
- Schedule Timing
- Service Increase
Change
Weekday southbound service from Park Ridge/Main will be extended until 7:00 p.m., with minor changes to schedule.
Reason
The service extension supports transit-dependent workers in Longmont, aligns with the service span of Routes 324 and 326, and enhances evening connections while schedule adjustments aim to improve service reliability.
Survey Results
Out of 7 respondents, 71% reported a positive impact from the change, 29% indicated it had no impact, and 0% perceived the change negatively.
AB2
Boulder/Denver Airport
- Schedule Timing
- Service Increase
Change
Weekday Route AB2 trips will shift from Downtown Boulder Station to Boulder Junction Depot Square Station, while Saturday AB2 trips will be renamed Route AB3 and continue operating from Downtown Boulder Station. Route AB3 will run on Saturdays only.
Reason
Changes align with the System Optimization Plan and the reopening of Boulder Junction Depot Square Station with Route FF4. Renaming Saturday trips to AB3 helps reduce customer confusion by distinguishing weekday and weekend service patterns.
Survey Results
Out of 73 respondents, 81% reported a positive impact from the change, 10% indicated it had no impact, and 9% perceived the change negatively.
ART
Art District Connector
- Schedule Timing
- Route Adjustment
Change
Minor northbound reroute will be implemented at Alameda Station, traveling on Dakota Avenue (rather than Alameda Avenue) to return to Cherokee Street.
Reason
Avoid delays due to high traffic along Alameda Avenue.
Survey Results
Out of 11 respondents, 63% reported a positive impact from the change, 27% indicated it had no impact, and 9% perceived the change negatively.
AT/ATA
Arapahoe Station/Denver Airport
- Schedule Timing
- Service Increase
Change
Adding a northbound trip from Arapahoe Station at 10:03 p.m. on weekdays.
Reason
Support ridership levels and improve on-time performance.
Survey Results
Out of 12 respondents, 83% reported a positive impact from the change, 17% indicated it had no impact, and 0% perceived the change negatively.
BOLT
Boulder/Longmont
- Schedule Timing
- Route Adjustment
Change
Re-routing to Coffman & 8th Ave PnR in order to address neighborhood concerns along Gay Street. This re-route will remove Regional trips operated on MCI coaches from Gay Street to address complaints from the neighborhood.
Reason
Change would account for the partial reopening of the Coffman Corridor, which allows buses to return to Coffman Street and the 8th & Coffman Park-n-Ride. It also responds to resident requests to remove through-trips from Gay Street, which had been used temporarily after the terminal shifted to Bross Street/8th Avenue. The rerouting would remain in place until the new 1st Avenue and Main Street Station opens in 2027.
Survey Results
Out of 17 respondents, 47% reported a positive impact from the change, 47% indicated it had no impact, and 6% perceived the change negatively.
CV
Pine Junction/Conifer/Denver
- Schedule Timing
Change
Minor changes to weekday schedule.
Reason
Improve on-time performance and service reliability.
DASH
Boulder/Lafayette via Louisville
- Schedule Timing
- Seasonal Adjustment
Change
Reinstate fall/winter service levels.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 10 respondents, 80% reported a positive impact from the change, 20% indicated it had no impact, and 0% perceived the change negatively.
EV
Evergreen/Denver
- Schedule Timing
Change
Minor changes to weekday schedule.
Reason
Improve on-time performance and service reliability.
FF2
Boulder/Denver Express
- Schedule Timing
- Service Increase
Change
On weekdays, three (3) eastbound trips and two (2) westbound trips will be added during the morning peak (7:00–8:30 a.m.), and two (2) eastbound trips and three (3) westbound trips will be added during the afternoon peak (4:00–5:30 p.m.).
Reason
Increase coverage during periods of highest ridership and support RTD’s System Optimization Plan.
Survey Results
Out of 77 respondents, 98% reported a positive impact from the change, 3% indicated it had no impact, and 0% perceived the change negatively.
FF4
Boulder Junction/Civic Center
- Service Increase
Change
Route FF4 will be reinstated, operating (8) AM peak trips between 7:00–8:30 a.m., and (8) PM peak trips (4:00–5:30 p.m.), with 4 trips in each direction.
Reason
Changes resume service to Boulder Junction at Depot Square Station per its reopening, and support of RTD’s System Optimization Plan.
Survey Results
Out of 105 respondents, 97% reported a positive impact from the change, 2% indicated it had no impact, and 1% perceived the change negatively.
JUMP
Boulder/Lafayette/Erie
- Schedule Timing
Change
Reinstate fall/winter service levels. At Downtown Boulder Station, buses will relocate to serve Gate M, located on 14th Street between Arapahoe and Canyon.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 12 respondents, 66% reported a positive impact from the change, 25% indicated it had no impact, and 8% perceived the change negatively.
LD1
Longmont/Denver
- Schedule Timing
- Route Adjustment
Change
Re-routing to Coffman & 8th Ave PnR in order to address neighborhood concerns along Gay Street. This re-route will remove Regional trips operated on MCI coaches from Gay Street to address complaints from the neighborhood. LD3 will remain at Bross/8th Ave terminal as it is operated with 40' vehicles.
Reason
Change would account for the partial reopening of the Coffman Corridor, which allows buses to return to Coffman Street. It also responds to resident requests to remove through-trips from Gay Street, which had been used temporarily after the terminal shifted to Bross Street/8th Avenue. The rerouting would remain in place until the new 1st Avenue and Main Street Station opens in 2027.
Survey Results
Out of 14 respondents, 65% reported a positive impact from the change, 36% indicated it had no impact, and 0% perceived the change negatively.
LX2
Longmont/Denver Express via CO 52
- Schedule Timing
- Service Increase
Change
Route LX will be reinstated, with three (3) southbound trips and two (2) northbound trips during the morning peak (7:00–8:30 a.m.), and two (2) southbound trips and three (3) northbound trips during the afternoon peak (4:00–5:30 p.m.). Start and end terminal of the route in Longmont will be at Coffman & 8th Ave PnR in order to keep MCI vehicles off Gay Street per neighborhoods request
Reason
Increase coverage during periods of highest ridership and support RTD’s System Optimization Plan.
Survey Results
Out of 15 respondents, 80% reported a positive impact from the change, 7% indicated it had no impact, and 13% perceived the change negatively.
NB1
Boulder/Nederland/Eldora
- Schedule Timing
- Seasonal Adjustment
- Route Adjustment
Change
Seasonal service to Eldora Ski Resort will be restored.
Reason
Provide service to/from Eldora Ski Resort.
Survey Results
Out of 13 respondents, 77% reported a positive impact from the change, 15% indicated it had no impact, and 8% perceived the change negatively.
NB2
Boulder/Nederland/Eldora
- Schedule Timing
- Seasonal Adjustment
- Route Adjustment
Change
Seasonal service to Eldora Ski Resort will be restored.
Reason
Provide service to/from Eldora Ski Resort.
Survey Results
Out of 13 respondents, 77% reported a positive impact from the change, 15% indicated it had no impact, and 8% perceived the change negatively.
SKIP
Broadway (Boulder)
- Schedule Timing
- Seasonal Adjustment
Change
Reinstate fall/winter service levels.
Reason
Align with seasonal ridership levels.
Survey Results
Out of 14 respondents, 71% reported a positive impact from the change, 29% indicated it had no impact, and 0% perceived the change negatively.