Annapolis Road Line

P40
Annapolis Road Line
Route T18 at New Carrollton station in January 2025
Overview
SystemMetrobus
OperatorWashington Metropolitan Area Transit Authority
GarageLandover
LiveryLocal
StatusIn Service
Began serviceDecember 3, 1978
PredecessorsT18
Route
LocalePrince George's County, Northeast
Communities servedNew Carrollton, West Lanham Hills, Landover Hills, Mattapony, Bladensburg, Colmar Manor, Cottage City, Brentwood, Mount Rainier, Brookland, Langdon, Woodridge, Brentwood
StartNew Carrollton station
ViaAnnapolis Road, Bladensburg Road, Rhode Island Avenue NE
EndRhode Island Avenue-Brentwood station
Length50 minutes
Service
LevelDaily
Frequency12 minutes (7AM - 9PM)
45-60 minutes (After 9PM)
Journey time4:45 AM – 2:05 AM
Ridership2,106,311 (FY 2024)
TransfersSmarTrip only
TimetableAnnapolis Road Line
← P35  {{{system_nav}}}  P41 →

The Annapolis Road Line, designated Route P40, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between the New Carrollton station of the Orange and Silver Lines 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. P40 trips roughly take 50 minutes to complete.