N Line (RTD)

N Line
Northbound N Line train at Commerce City/72nd station
Overview
Other nameNorth Line
OwnerRegional Transportation District
LocaleDenver metropolitan area
Termini
Stations7
WebsiteMetro North Rail Line
Service
TypeCommuter rail
SystemRTD Rail
OperatorRegional Transportation District
Ridership1,153,000 (FY2023, annual)
History
OpenedSeptember 21, 2020 (2020-09-21)
Technical
Line length13 mi (21 km)
Track gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
ElectrificationOverhead line, 25 kV 60 Hz AC
Operating speed79 mph (127 km/h) (top)
Route map

N Line highlighted in purple
proposed extension
proposed extension
North Thornton/Hwy 7
York/144th
Eastlake/124th
Northglenn/112th
Thornton Crossroads/104th
Original Thornton/88th
Colorado 224 wide.svg
SH 224
74th Avenue
Commerce City/72nd
Skyway Bridge
48th & Brighton/
National Western Center
Union Station
Amtrak

The N Line is a Regional Transportation District (RTD) commuter rail line that serves stations in Denver, Commerce City, Northglenn, and Thornton, Colorado. The N Line opened on September 21, 2020, and is owned and operated by RTD. It was also known as the North Line during planning and construction. It is colored purple on system maps.

The N Line's southern terminus is at Union Station in downtown Denver, and its northern terminus is at 124th Avenue in the Eastlake neighborhood of Thornton. It was the final line funded under the FasTracks expansion plan to begin service.