RapidRide G Line

G Line
G Line bus at Madison Street and Boylston Avenue
Overview
SystemRapidRide
OperatorKing County Metro
GarageRyerson Base
Began serviceSeptember 14, 2024
Route
LocaleSeattle, Washington
StartDowntown Seattle
ViaMadison Street
EndMartin Luther King Jr. Way in Madison Valley
Length2.1 mi (3.4 km)
Stops21
Route diagram

3rd Ave
(Link 1 Line, C, D, E, & H lines)
5th Ave
8th Ave
Terry Ave
Boylston Ave
(Streetcar)
E Union St
17th Ave
22nd Ave
24th Ave E
Martin Luther King, Jr. Way E
 F Line  {{{system_nav}}}  H Line 

The RapidRide G Line is a RapidRide bus service in Seattle, Washington, operated by King County Metro on Madison Street between Downtown Seattle and Madison Valley. It uses five-door articulated buses to serve a mix of side and center platforms at its 21 stations. The line opened for service on September 14, 2024, and cost $133.4 million to construct; it features several sections with bus lanes and transit signal priority.