Martin Luther King Jr. Highway Line

A12
Martin Luther King Jr Highway Line
Route A12 at Landover Station
Overview
System	Metrobus
Operator	Washington Metropolitan Area Transit Authority
Garage	Landover
Livery	Local
Status	In Service
Began service	1978
Ended service	A13, A17: November 21, 1978 A15: December 15, 2004 A11: March 29, 2015
Route
Locale	Prince George's County
Communities served	New Carrollton, Glenarden, Palmer Park, Hyattsville, Seat Pleasant
Landmarks served	New Carrollton station, Seat Pleasant, Addison Road station, Capitol Heights station (Sundays only)
Start	New Carrollton station
Via	Ardwick-Ardmore Road, Brightseat Road, Martin Luther King Jr Highway, Addison Road, East Capitol Street (Sundays Only)
End	Addison Road station (Monday-Saturday) Capitol Heights station (Sundays only)
Service
Level	Daily
Frequency	20 minutes (7AM - 9PM Daily) 30 minutes (After 9PM Weekdays) 60 minutes (After 9PM Weekends)
Operates	4:55 AM – 2:00 AM
Ridership	765,512 (FY 2023)[1]
Transfers	SmarTrip only
Timetable	Martin Luther King Jr Highway Line
Route map ← A9  {{{system_nav}}}  B2 →

The Martin Luther King Jr. Highway Line, designated Route A12 is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Addison Road station of the Blue and Silver Lines of the Washington Metro and New Carrollton station of the Orange Line of the Washington Metro. The line operates every 20 minutes between 7AM and 9PM, 30 minutes after 9PM weekdays and 60 minutes after 9PM weekends. Route A12 trips roughly take 30 minutes. On Sundays, Route A12 is extended to Capitol Heights station replacing a portion of route F14.