RapidRide G Line

G Line
A King County Metro RapidRide bus operating on the G Line along Madison Street
Overview
System	RapidRide
Operator	King County Metro
Garage	Ryerson Base
Began service	September 14, 2024[1]
Route
Locale	Seattle, Washington
Start	Downtown Seattle
Via	Madison Street
End	Martin Luther King Jr. Way in Madison Valley
Length	2.1 mi (3.4 km)
Stops	21
Route diagram 1st Ave (Ferries, Streetcar, Water Taxi) 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 This diagram: view talk edit ← 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.