N Line (RTD)

N Line
N
Northbound N Line train at Commerce City/72nd station
Overview
Owner	Regional Transportation District
Locale	Denver metropolitan area
Termini	Union Station Eastlake/124th
Stations	7 9 (proposed)
Website	Metro North Rail Line
Service
Type	Commuter rail
System	RTD Rail
Operator(s)	Regional Transportation District
History
Opened	September 21, 2020; 4 years ago (2020-09-21)[1]
Technical
Line length	13 mi (21 km) 18.5 mi (29.8 km) (proposed)
Track gauge	4 ft 8+1⁄2 in (1,435 mm) standard gauge
Electrification	Overhead line, 25 kV 60 Hz AC
Operating speed	79 mph (127 km/h) (top)
Route map N Line highlighted in purple Show interactive map Legend proposed extension proposed extension North Thornton/Hwy 7 E-470 York/144th Eastlake/124th Northglenn/112th Thornton Crossroads/104th Original Thornton/88th South Platte River SH 224 74th Avenue I-76 Commerce City/72nd I-270 Amtrak California Zephyr Skyway Bridge 48th & Brighton/ National Western Center I-70   South Platte River    A   B  G  Amtrak California Zephyr Union Station  A  B  G   E  W  This diagram: view talk edit Show route diagram

The N Line, also known as the North Metro Rail Line during construction,^[2] is a commuter rail line which is part of the commuter and light rail system owned by the Regional Transportation District (RTD) in the Denver metropolitan area in Colorado. The first 13 miles (21 km) from downtown Denver to 124th Avenue in Thornton opened as part of the FasTracks expansion plan on September 21, 2020.^[1] When fully built out the line will be 18.5 miles (29.8 km) long and pass through Denver, Commerce City, Northglenn, and Thornton.^[3] The N Line features Colorado's longest bridge at 9,533 feet (1.8 mi; 2.9 km) called the Skyway Bridge.^[4] While other RTD commuter lines are operated by Denver Transit Partners for RTD, this is the only line operated by RTD itself.^[5]