Georgia Avenue–Silver Spring Line

M20
Georgia Avenue–Silver Spring Line
Route Y8 at Wheaton station
Overview
SystemMetrobus
OperatorWashington Metropolitan Area Transit Authority
GarageMontgomery
LiveryLocal
StatusIn Service
Began serviceY2, Y7, Y8: 1970s
M20: 2025
Ended serviceY2, Y7, Y8: 2025
Route
LocaleMontgomery County, Maryland
Communities servedSilver Spring, Forest Glen, Wheaton, Glenmont, Aspen Hill
Landmarks servedICC Park & Ride Lot (Select weekday trips only), Aspen Hill (Select weekday trips only), Glenmont station (Select weekday trips only), Wheaton station, Westfield Wheaton, Forest Glen station, Paul S. Sarbanes Transit Center (Silver Spring station)
StartICC Park & Ride Lot (Select weekday trips only)
Wheaton Station
ViaGeorgia Avenue
EndSilver Spring station
Length60 Minutes
Service
LevelDaily
Frequency7-30 minutes (varies based on time of day)
Operates4:15 AM - 1:00 AM (Monday-Friday)
4:35 AM - 2:00 AM (Saturday)
5:05 AM - 12:50 AM (Sunday)
Ridership814,401 (Y2, FY 2024)
754,818 (Y7, FY 2024)
798,187 (Y8, FY 2024)
TransfersSmarTrip only
TimetableGeorgia Avenue-Maryland Line
← M12  {{{system_nav}}}  M22 →

The Georgia Avenue–Silver Spring Line, designated Route M20, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Silver Spring station and Wheaton Station of the Red Line of the Washington Metro, with select weekday trips extending to the ICC Park & Ride Lot. The line operates every 7–20 minutes during the weekday peak hour, 12 minutes on weekday evenings and during the day on weekends, and 30 minutes during late nights. Trips are roughly 65 minutes long. This route provides service along Georgia Avenue in Maryland providing service to multiple communities.