Sheriff Road–River Terrace Line
| U4 | |||
|---|---|---|---|
| Sheriff Road-River Terrace Line | |||
| Overview | |||
| System | Metrobus | ||
| Operator | Washington Metropolitan Area Transit Authority | ||
| Garage | Bladensburg | ||
| Livery | Local | ||
| Began service | 1949 | ||
| Route | |||
| Locale | Northeast | ||
| Communities served | Central Northeast, Deanwood, River Terrace | ||
| Landmarks served | Minnesota Avenue station, River Terrace, Sheriff Road | ||
| Start | Minnesota Avenue station | ||
| Via | Sheriff Road NE, Minnesota Avenue NE, Benning Road NE | ||
| End | Eastern Avenue & Chapelwood Lane NE (Sheriff Road) 33rd & Blaine Streets NE (River Terrace) | ||
| Length | 25-30 minutes | ||
| Service | |||
| Level | Daily | ||
| Frequency | 13-15 minutes (Weekday peak hours) 30 minutes (Off-peak hours) | ||
| Operates | 4:42 AM – 12:20 AM | ||
| Ridership | 256,930 (FY 2024) | ||
| Transfers | SmarTrip only | ||
| Timetable | Sheriff Road-River Terrace Line | ||
| 
 | |||
The Sheriff Road–River Terrace Line, designated as Route U4, is a daily bus route operated by the Washington Metropolitan Area Transit Authority between Minnesota Avenue station of the Orange Line of the Washington Metro & Sheriff Road NE & Lee Street NE (Sheriff Road) or 33rd Street NE & Blaine Street NE (River Terrace). Route U4 operates every 13–15 minutes during peak hours, and 30 minutes at all other times. Route U4 trips roughly take 30 minutes.