Denver's Mass Transit System: RTD Network Overview

Yes, Denver has a comprehensive mass transit system operated by the Regional Transportation District (RTD), serving the 8-county Denver-Aurora-Boulder metropolitan area (population ~3.3M).

System Components

Light Rail (10 lines, 60+ miles)

• A, B, G lines: Denver Union Station → Airport, Westminster, Wheat Ridge
• C, D, E, F, H, R, W lines: North, south, southeast, west corridors
• Frequency: 15 min peak, 30 min off-peak; 3 AM-1 AM service

Commuter Rail (4 lines)

• A Line: Union Station ↔ DEN Airport (37 min, 15 min frequency)
• B Line: Union Station ↔ Westminster (19 min)
• G Line: Union Station ↔ Wheat Ridge (27 min)
• N Line: Union Station ↔ Northglenn/Thornton (2020)

Bus Network (100+ routes)

• Local, express, regional, skyRide (airport), Flatiron Flyer (Boulder)
• Free MallRide/MetroRide: Downtown shuttles
• Access-a-Ride: Paratransit for disabilities

Key Statistics

• Daily ridership: ~250,000 (pre-pandemic: ~350,000)
• Fare: $3.00 local, $5.25 regional, $10.50 airport (discounts for seniors, youth, low-income)
• Mobile ticketing: RTD Mobile Tickets app
• Integration: Bike racks on all vehicles, park-n-Rides at stations

Recent Expansion

FasTracks (2004 voter-approved) added 122 miles of rail, 18 miles BRT, 57 stations. N Line (2020) and B Line extension are latest completions. Future: Central Rail Extension, Colfax BRT.

RTD provides genuine car-free mobility across a sprawling metro area—uncommon for Western U.S. cities.