RapidRide A Line

The A Line is one of eight RapidRide lines (routes with some bus rapid transit features) operated by King County Metro in King County, Washington. The A Line began service on October 2, 2010,^[3] running from Tukwila to Federal Way, mostly along Pacific Highway South. The northern terminus is Tukwila/International Boulevard Station. From there, riders can transfer to Sound Transit's Link light rail, the RapidRide F Line, or to other King County Metro buses that serve Burien, Tukwila, SeaTac, Georgetown, SoDo, and downtown Seattle. Its southern terminus is Federal Way Transit Center^[4] and connects riders to buses serving Tacoma, Pierce County, and Auburn. Between the termini there are a total of 13 stations^[4] plus 13 intermediate stops.^[5]

A Line
A Line bus at Federal Way Transit Center, 2011
Overview
System	RapidRide
Operator	King County Metro
Garage	South Base
Vehicle	New Flyer articulated buses[1]
Began service	October 2, 2010
Predecessors	Route 174
Route
Locale	King County
Start	Tukwila International Boulevard station
Via	Pacific Highway South (SR 99)
End	Federal Way Transit Center
Length	11 miles (18 km)
Service
Frequency	Peak: 10 minutes Off-peak: 15 minutes Late night: 30-70 minutes
Weekend frequency	15 minutes (most times)
Journey time	44 minutes
Operates	24 hours
Ridership	10,100 (weekday average, spring 2015)[2]
Timetable	A Line timetable
Map	A Line map
Route diagram 1 Line to Lynnwood City Center via Downtown to Burien Tukwila International Boulevard station to Renton SR 518 S 160th St S 170th St S 176th St (SeaTac/Airport station) S 180th St S 182nd St S 188th St S 195th St S 200th St (Angle Lake station) S 208th St S 216th St S 224th St Kent-Des Moines Rd S 240th St (Highline College) S 246th St S 252nd St S 260th St S 268th St S 272nd St S 276th St (Redondo Heights Park & Ride) S 283rd St S 288th St S Dash Point Rd S 308th St (Federal Way High School) S 312th St S 316th St Federal Way Transit Center Key station stop northbound only stop southbound only stop Park and Ride Airport This diagram: view talk edit ← {{{previous_line}}}  {{{system_nav}}}  B Line →

History

This corridor was previously served by King County Metro route 174^[6] which carried an average of 5,570 riders on weekdays during the last month in service.^[7] Since the implementation of RapidRide on the corridor, ridership has grown 81 percent and the A Line served an average of 10,100 riders on weekdays in spring 2015.^[2]

Service

Headways^[8]

Time	Monday-Friday	Weekend/Holidays
4:15 am – 4:45 am	15	30
4:45 am – 7:00 am	15	15
7:00 am – 9:00 am	10	15
9:00 am – 2:00 pm	15	15
2:00 pm – 6:00 pm	10	15
6:00 pm – 10:00 pm	15	15
10:00 pm – 4:15 am	30-70	30-70

Between 10:00 pm and 4:15 am, service operates on a schedule; all other times are estimated headways.