228a (Lafayette / Louisville / Broomfield) Bus in Broomfield

A bus service operated by Regional Transportation District

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List of stops

Number of stops: 15

Map

US 36 & Flatiron Station Gate F – Aspen Ridge Dr & Black Diamond Dr

Timing points All stops

US 36 & Flatiron Station Gate F	10:08	11:08	12:08	13:08	14:05	15:03	18:07	19:07	20:07	21:07
Flatiron Crossing Mall Ring Rd & Interlocken Blvd	10:11	11:11	12:11	13:11	14:09	15:07	18:10	19:10	20:10	21:10
Coalton Rd & W Flatirons Crossing Dr	10:11	11:11	12:11	13:11	14:10	15:08	18:10	19:10	20:10	21:10
Coalton Rd & S Tyler Dr	10:13	11:13	12:13	13:13	14:11	15:09	18:12	19:12	20:12	21:12
Rock Creek Pkwy & Coalton Rd	10:14	11:14	12:14	13:14	14:12	15:10	18:13	19:13	20:13	21:13
Rock Creek Pkwy & Honey Creek Ln	10:15	11:15	12:15	13:15	14:14	15:12	18:14	19:14	20:14	21:14
Rock Creek Pkwy & S 88th St	10:16	11:16	12:16	13:16	14:15	15:13	18:15	19:15	20:15	21:15
Rock Creek Pkwy & Indiana St	10:17	11:17	12:17	13:17	14:16	15:14	18:16	19:16	20:16	21:16
Rock Creek Pkwy & Pitkin St	10:18	11:18	12:18	13:18	14:17	15:15	18:17	19:17	20:17	21:17
Rock Creek Pkwy & Mccaslin Blvd	10:18	11:18	12:18	13:18	14:17	15:15	18:17	19:17	20:17	21:17
Main St & Gateway Dr	10:20	11:20	12:20	13:20	14:19	15:17	18:19	19:19	20:19	21:19
Old Rail Way & Gateway Dr	10:20	11:20	12:20	13:20	14:19	15:17	18:19	19:19	20:19	21:19
Marshall Rd & Main St	10:21	11:21	12:21	13:21	14:20	15:18	18:20	19:20	20:20	21:20
Marshall Rd & Creek View Way	10:21	11:21	12:21	13:21	14:20	15:18	18:20	19:20	20:20	21:20
US 36 & Mccaslin Station Gate C	10:26	11:26	12:26	13:26	14:25	15:23	18:25	19:25	20:25	21:25
US 36 & Mccaslin Stn Gate G	10:31	11:31	12:31	13:31	14:30	15:28	18:30	19:30	20:30	21:30
Mccaslin Blvd & Dillon Rd	10:31	11:31	12:31	13:31	14:30	15:28	18:30	19:30	20:30	21:30
Mccaslin Blvd & W Cherry St	10:32	11:32	12:32	13:32	14:31	15:29	18:31	19:31	20:31	21:31
Mccaslin Blvd & Century Cir	10:32	11:32	12:32	13:32	14:32	15:30	18:31	19:31	20:31	21:31
Mccaslin Blvd & Cherrywood Ln	10:33	11:33	12:33	13:33	14:32	15:30	18:32	19:32	20:32	21:32
Via Appia & Mccaslin Blvd	10:33	11:33	12:33	13:33	14:33	15:31	18:32	19:32	20:32	21:32
Via Appia & Eldorado Ln	10:33	11:33	12:33	13:33	14:33	15:31	18:32	19:32	20:32	21:32
Via Appia & Nighthawk Cir	10:34	11:34	12:34	13:34	14:34	15:32	18:33	19:33	20:33	21:33
Via Appia & W Pine St	10:35	11:35	12:35	13:35	14:35	15:33	18:34	19:34	20:34	21:34
Via Appia & Church Ln	10:35	11:35	12:35	13:35	14:35	15:33	18:34	19:34	20:34	21:34
Via Appia & Tyler Ave	10:35	11:35	12:35	13:35	14:35	15:33	18:34	19:34	20:34	21:34
Via Appia & Sagebrush Way	10:36	11:36	12:36	13:36	14:36	15:34	18:35	19:35	20:35	21:35
Via Appia & Lafayette St	10:36	11:36	12:36	13:36	14:36	15:34	18:35	19:35	20:35	21:35
Via Appia & W Harper St	10:37	11:37	12:37	13:37	14:37	15:35	18:36	19:36	20:36	21:36
Via Appia & South Boulder Rd	10:38	11:38	12:38	13:38	14:38	15:36	18:37	19:37	20:37	21:37
South Boulder Rd & Cottonwood Dr	10:38	11:38	12:38	13:38	14:38	15:36	18:37	19:37	20:37	21:37
S Boulder Rd & Garfield Ave	10:39	11:39	12:39	13:39	14:39	15:37	18:38	19:38	20:38	21:38
South Boulder Rd & Main St	10:40	11:40	12:40	13:40	14:40	15:38	18:39	19:39	20:39	21:39
Courtesy Rd & Hecla Dr	10:41	11:41	12:41	13:41	14:41	15:39	18:40	19:40	20:40	21:40
Baseline Rd & N 95th St	10:44	11:44	12:44	13:44	14:44	15:42	18:43	19:43	20:43	21:43
Baseline Rd & Indian Peaks Dr	10:44	11:44	12:44	13:44	14:44	15:42	18:43	19:43	20:43	21:43
Baseline Rd & Gold Hill Dr	10:45	11:45	12:45	13:45	14:45	15:43	18:45	19:45	20:45	21:45
Aspen Ridge Dr & Black Diamond Dr	10:47	11:47	12:47	13:47	14:47	15:45	18:47	19:47	20:47	21:47

Aspen Ridge Dr & Black Diamond Dr – US 36 & Flatiron Station Gate F

Timing points All stops

Aspen Ridge Dr & Black Diamond Dr	11:11	12:11	13:11	14:07	15:08	16:08	19:12	20:12	21:17
Diamond Cir & Aspen Ridge Dr	11:12	12:12	13:12	14:08	15:09	16:09	19:13	20:13	21:18
US 287 & Diamond Cir	11:13	12:13	13:13	14:09	15:10	16:10	19:14	20:14	21:19
Baseline Rd & Anna Thomas Pkwy	11:14	12:14	13:14	14:10	15:11	16:11	19:15	20:15	21:20
Baseline Rd & Gold Hill Dr	11:15	12:15	13:15	14:11	15:12	16:12	19:16	20:16	21:21
Baseline Rd & Indian Peaks Dr	11:17	12:17	13:17	14:13	15:14	16:14	19:18	20:18	21:23
CO 42 & Hecla Dr	11:20	12:20	13:20	14:16	15:18	16:18	19:21	20:21	21:26
South Boulder Rd & Cannon Cir	11:21	12:21	13:21	14:17	15:19	16:19	19:22	20:22	21:27
South Boulder Rd & Garfield Ave	11:23	12:23	13:23	14:19	15:21	16:21	19:24	20:24	21:29
Via Appia & South Boulder Rd	11:24	12:24	13:24	14:20	15:22	16:22	19:25	20:25	21:30
Via Appia & W Harper St	11:24	12:24	13:24	14:20	15:22	16:22	19:25	20:25	21:30
Via Appia & Lafayette St	11:24	12:24	13:24	14:20	15:22	16:22	19:25	20:25	21:30
Via Appia & Sagebrush Way	11:25	12:25	13:25	14:21	15:23	16:23	19:26	20:26	21:31
Via Appia & Tyler Ave	11:25	12:25	13:25	14:21	15:23	16:23	19:26	20:26	21:31
Via Appia & W Pine St	11:26	12:26	13:26	14:22	15:24	16:24	19:27	20:27	21:32
Via Appia & Nighthawk Cir	11:26	12:26	13:26	14:22	15:24	16:24	19:27	20:27	21:32
Via Appia & Eldorado Ln	11:27	12:27	13:27	14:23	15:25	16:25	19:28	20:28	21:33
Mccaslin Blvd & Via Appia	11:28	12:28	13:28	14:24	15:26	16:26	19:29	20:29	21:34
Mccaslin Blvd & Century Cir	11:30	12:30	13:30	14:26	15:28	16:28	19:30	20:30	21:35
Mccaslin Blvd & Dillon Rd	11:31	12:31	13:31	14:27	15:29	16:29	19:31	20:31	21:36
US 36 & Mccaslin Stn Gate F	11:33	12:33	13:33	14:29	15:31	16:31	19:33	20:33	21:38
US 36 & Mccaslin Station Gate C	11:38	12:38	13:38	14:34	15:36	16:36	19:38	20:38	21:43
Marshall Rd & Creek View Way	11:41	12:41	13:41	14:37	15:39	16:39	19:41	20:41	21:46
Marshall Rd & Main St	11:42	12:42	13:42	14:38	15:40	16:40	19:42	20:42	21:47
Old Rail Way & Gateway Dr	11:42	12:42	13:42	14:38	15:40	16:40	19:42	20:42	21:47
Main St & Gateway Dr	11:42	12:42	13:42	14:38	15:40	16:40	19:42	20:42	21:47
Rock Creek Pkwy & Mccaslin Blvd	11:44	12:44	13:44	14:40	15:42	16:42	19:44	20:44	21:49
Rock Creek Pkwy & Pitkin Ave	11:45	12:45	13:45	14:41	15:43	16:43	19:45	20:45	21:50
Rock Creek Pkwy & Indiana St	11:46	12:46	13:46	14:42	15:44	16:44	19:46	20:46	21:51
Rock Creek Pkwy & S 88th St	11:48	12:48	13:48	14:44	15:46	16:46	19:48	20:48	21:53
Rock Creek Pkwy & Coalridge Dr	11:48	12:48	13:48	14:44	15:47	16:47	19:48	20:48	21:53
Rock Creek Pkwy & Coalton Rd	11:50	12:50	13:50	14:46	15:48	16:48	19:50	20:50	21:55
Coalton Rd & Rock Creek Pkwy	11:50	12:50	13:50	14:46	15:49	16:49	19:50	20:50	21:55
Coalton Rd & S Summit Blvd West	11:51	12:51	13:51	14:47	15:50	16:50	19:51	20:51	21:56
Coalton Rd & Summit Blvd	11:52	12:52	13:52	14:48	15:51	16:51	19:52	20:52	21:57
Flatiron Crossing Mall Ring Rd & Interlocken Blvd	11:54	12:54	13:54	14:50	15:53	16:53	19:54	20:54	21:59
US 36 & Flatiron Station Gate F	11:58	12:58	13:58	14:54	15:57	16:57	19:58	20:58	22:03

Last updated on March 24, 2026

Route Path (Streets & Roads)

Outbound: US 36 & Flatiron Station Gate F – Aspen Ridge Dr & Black Diamond Dr

Denver–Boulder Turnpike - West Flatiron Circle - West Flatiron Crossing Drive - Coalton Road - Rock Creek Parkway - Main Street - Old Rail Way - South Marshall Road - Denver–Boulder Turnpike - McCaslin Boulevard - Via Appia Way - West South Boulder Road - East South Boulder Road - Courtesy Road - Hedgerow Court - West Baseline Road - Aspen Ridge Drive

Inbound: Aspen Ridge Dr & Black Diamond Dr – US 36 & Flatiron Station Gate F

Aspen Ridge Drive - Diamond Circle - US 287;CO 7 - West Baseline Road - Courtesy Road - East South Boulder Road - West South Boulder Road - Via Appia Way - McCaslin Boulevard - Denver–Boulder Turnpike - South Marshall Road - Old Rail Way - Main Street - Rock Creek Parkway - Coalton Road - West Flatiron Crossing Drive - West Flatiron Circle - Denver–Boulder Turnpike

All data is available in GTFS feed: regional-transportation-district

Bus 228a FAQ

What time does the 228a bus start operating?

Services on the 228a - Lafayette / Louisville / Broomfield bus start at 10:08 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
What time does the 228a bus stop working?

Services on the 228a - Lafayette / Louisville / Broomfield bus stop at 21:47 on Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday.
Is there a 228a bus stop near me?

Click here to view the nearest 228a - Lafayette / Louisville / Broomfield bus stop.

228a bus Route Map

PDF Version: 228a timetable, stops and map

228a (Broomfield Buses)

The first stop of the 228a bus route is US 36 & Flatiron Station Gate F and the last stop is Aspen Ridge Dr & Black Diamond Dr. 228a (Lafayette / Louisville / Broomfield) is operational during everyday.

Additional information: 228a has 38 stops and the total trip duration for this route is approximately 42 minutes.

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