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  6. Ff4 Route

Ff4 Bus - Flatiron Flyer

A bus service operated by Regional Transportation District
List of stops
      Number of stops: 15
      Monday to Friday

      Boulder Junction at Depot Square Station Gate B3 – Civic Center Station Gate 8

      Boulder Junction at Depot Square Station Gate B3

      		06:0506:4507:1507:4514:0315:1316:3017:3018:23

      Pearl St & 29th St

      		06:0606:4607:1607:4614:0415:1416:3117:3118:24

      28th St & Canyon Blvd

      		06:0806:4807:1907:4914:0715:1716:3417:3418:26

      28th St & Arapahoe Ave

      		06:1006:5007:2207:5214:1015:2016:3717:3718:28

      28th St & Colorado Ave

      		06:1106:5107:2307:5314:1115:2116:3817:3818:29

      US 36 & Table Mesa Station Gate A

      		06:1806:5807:3008:0014:2015:3016:4717:4718:36

      US 36 & Mccaslin Station Gate A

      		06:2307:0307:3508:0514:2615:3616:5317:5318:42

      US 36 & Flatiron Station Gate D

      		06:2807:0807:4008:1014:3215:4216:5917:5918:47

      US 36 & Broomfield Station Gate K

      		06:3207:1207:4408:1414:3815:4817:0518:0518:52

      Park Ave West & Wewatta St

      		————14:5716:0717:2518:2519:09

      19th St & Market St

      		06:51s07:31s08:03s08:33s14:59s16:09s17:27s18:27s19:10s

      19th St & Lawrence St

      		06:51s07:31s08:03s08:33s15:00s16:10s17:28s18:28s19:11s

      19th St & Stout St

      		06:52s07:32s08:04s08:34s15:01s16:11s17:29s18:29s19:12s

      Broadway & Glenarm Pl

      		06:53s07:33s08:06s08:36s15:02s16:12s17:30s18:30s19:13s

      Civic Center Station Gate 8

      		06:5707:3708:1108:4115:0616:1617:3418:3419:17
      Times marked with "—" indicate that the vehicle does not stop at this stop.
      Times marked s - "set down only" - the vehicle will only stop to drop passengers off.

      Civic Center Station Gate 8 – Boulder Junction at Depot Square Station Gate B3

      Civic Center Station Gate 807:1207:4808:3309:0315:1816:1817:0817:46
      18th St & Glenarm Pl07:1507:5108:3609:0615:2316:2317:1317:51
      18th St & Stout St07:1807:5408:3909:0915:2616:2717:1717:54
      20th St & Larimer St07:1907:5508:4009:1015:2716:2817:1817:55
      Park Ave W & Delgany St07:2107:5708:4209:12————
      US 36 & Broomfield Station Gate L07:4308:1909:0409:3415:4716:4917:3918:13
      US 36 & Flatiron Station Gate B07:4708:2309:0809:3815:5116:5317:4318:17
      US 36 & Mccaslin Station Gate D07:5308:2909:1409:4415:5516:5817:4818:22
      US 36 & Table Mesa Station Gate E07:5908:3509:2009:5016:0117:0417:5418:28
      28th St & College Ave08:05s08:41s09:26s09:56s16:07s17:10s18:00s18:34s
      28th St & Arapahoe Ave08:07s08:43s09:28s09:58s16:09s17:12s18:02s18:36s
      28th St & Canyon Blvd08:09s08:45s09:30s10:00s16:10s17:14s18:04s18:37s
      Pearl St & 29th St08:11s08:47s09:32s10:02s16:12s17:16s18:06s18:39s
      Boulder Junction at Depot Square Station Gate B308:1308:4909:3410:0416:1417:1918:0918:42
      Times marked with "—" indicate that the vehicle does not stop at this stop.
      Times marked s - "set down only" - the vehicle will only stop to drop passengers off.
      Times marked with "—" indicate that the vehicle does not stop at this stop.
      Times marked s - "set down only" - the vehicle will only stop to drop passengers off.
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      Route Path (Streets & Roads)

      Outbound: Boulder Junction at Depot Square Station Gate B3 – Civic Center Station Gate 8
      Pearl Parkway - Pearl Street - 28th Street - Table Mesa Drive - Center Drive - Denver–Boulder Turnpike - Park Avenue West - 19th Street - North Broadway - 16th Street Mall
      Inbound: Civic Center Station Gate 8 – Boulder Junction at Depot Square Station Gate B3
      16th Street Mall - 18th Street - 20th Street - Park Avenue West - Denver–Boulder Turnpike - Table Mesa Drive - 28th Street Frontage Road - 28th Street - Pearl Street - Pearl Parkway

      Schedules and stops for this route are published in GTFS: rtd-denver-flex

      Additional route information: rtd-denver.com

      Frequently asked questions about route Ff4

      • What time does route Ff4 start operating?

        Services on route Ff4 start at 06:05 from Monday to Friday.

      • What time does route Ff4 stop operating?

        Services on route Ff4 end at 19:17 from Monday to Friday.

      • Is there a stop for route Ff4 near me?

        View the nearest stop for route Ff4.

      Ff4 (Boulder Buses)

      The first stop of the Ff4 bus route is Boulder Junction at Depot Square Station Gate B3 and the last stop is Civic Center Station Gate 8. Ff4 (Flatiron Flyer) is operational during on weekdays.

      Additional information: Ff4 has 15 stops. The total trip duration for this route is approximately 64 minutes.

      More than 5 million users trust busmaps.com for public transport information. Find suggested Buses routes in Boulder, real-time vehicle tracking, route maps, nearby stops, and offline PDF schedules.

      Ff4 bus near me

      Last updated on November 11, 2026