Annapolis Road Line

T18
Annapolis Road Line
Route T18 at New Carrollton station
Overview
System	Metrobus
Operator	Washington Metropolitan Area Transit Authority
Garage	Landover
Livery	Local
Status	In Service
Began service	December 3, 1978
Route
Locale	Prince George's County, Northeast
Communities served	New Carrollton, West Lanham Hills, Landover Hills, Mattapony, Bladensburg, Colmar Manor, Cottage City, Brentwood, Mount Rainier, Brookland, Langdon, Woodridge
Start	New Carrollton station
Via	Annapolis Road, Bladensburg Road, Rhode Island Avenue NE
End	Rhode Island Avenue-Brentwood station
Length	50 minutes
Service
Level	Daily
Frequency	12 minutes (7AM - 9PM) 45-60 minutes (After 9PM)
Journey time	5:00 AM – 2:00 AM
Ridership	1,689,774 (FY 2023)[1]
Transfers	SmarTrip only
Timetable	Annapolis Road Line
Route map ← T14  {{{system_nav}}}  U4 →

The Annapolis Road Line, designated Route T18, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between the New Carrollton station of the Orange Line of the Washington Metro and the Rhode Island Avenue–Brentwood station of the Red Line of the Washington Metro. The line operates every 12 minutes during the weekdays between 7AM and 9PM and 45-60 minutes after 9PM. T18 trips roughly take 50 minutes.