RapidRide B Line

The B Line is one of eight RapidRide lines (routes with some bus rapid transit features) operated by King County Metro in King County, Washington. The B Line began service on October 1, 2011,^[2] running between downtown Redmond, Overlake and downtown Bellevue. The line runs mainly via NE 8th Street, 156th Avenue NE, NE 40th Street and 148th Avenue NE.^[3] Unlike most of the RapidRide lines, the B Line does not offer scheduled service during late-night and early morning hours.

B Line
RapidRide bus leaving Bellevue Transit Center
Overview
System	RapidRide
Operator	King County Metro
Garage	East Base
Vehicle	New Flyer articulated buses
Began service	October 1, 2011
Predecessors	Route 230, 253
Route
Locale	King County
Communities served	Redmond, Overlake, Bellevue
Start	Downtown Redmond station
Via	NE 90th St 148th Ave NE NE 40th St 156th Ave NE NE 8th St
End	Bellevue Transit Center
Length	10 miles (16 km)
Service
Frequency	Peak: 10 minutes Off-peak: 15 minutes Early morning & night: 30 minutes
Weekend frequency	15 minutes (most times)
Journey time	50 minutes
Operates	Weekdays: 4:21 am-12:25 am Weekends: 6:00 am-12:25 am
Ridership	6,600 (weekday average, spring 2015)[1]
Timetable	B Line timetable
Map	B Line map
Route diagram Downtown Redmond station Redmond Transit Center NE 85th St 160th Ave NE & NE 90th St 154th Ave NE NE 87th St NE Redmond Wy NE Old Redmond Rd NE 51st St NE 46th St NE 40th St 152nd Ave NE SR 520 Redmond Technology (2 Line) NE 31st St Overlake Park & Ride (2 Line) Bel-Red Rd NE 24th St NE 15th St NE 10th St 148th Ave NE 143rd Ave NE 140th Ave NE 134th Ave NE 131st Ave NE 124th Ave NE 120th Ave NE 116th Ave NE I-405 Bellevue Transit Center Key station stop northbound only stop southbound only stop This diagram: view talk edit ← A Line  {{{system_nav}}}  C Line →

History

This corridor was previously served Metro routes 230 and 253^[3] which carried a combined average of 5,070 riders on weekdays during the last month in service.^[4] Since the implementation of RapidRide on the corridor, ridership has grown 30 percent and the B Line served an average of 6,600 riders on weekdays in spring 2015.^[1] On May 10, 2025, the line was realigned to no longer serve Overlake Village station and extended to Downtown Redmond station.^[5]

Service

Headways

Time	Monday-Friday	Weekend/Holidays
4:21 am – 6:00 am	15-30	No Service
6:00 am – 9:00 am	10	15
9:00 am – 3:00 pm	15	15
3:00 pm – 6:00 pm	10	15
6:00 pm – 10:00 pm	15	15
10:00 pm – 12:25 am	30	30
12:25 am – 4:21 am	No Service	No Service

All times are estimated headways.