and the Fas Tracks program – a multi-billion
dollar comprehensive transit expansion
plan to build 122 miles of new commuter
rail and light rail, 18 miles of bus rapid
transit, 21,000 new parking spaces at
light rail and bus stations, and enhanced
bus service for easier bus/rail connections across an eight-county district. The
following is an overview of the city’s
major highways and byways.
Metro Denver provides an efficient network of streets, freeways and highways.
• In addition, I-225 serves the southeast
quadrant of metro Denver.
• U.S. 285 and U.S. 6 connect the western
foothills and metro Denver.
• U.S. 36, also known as the Boulder
Turnpike, provides quick northwest access
between downtown Denver and Boulder.
• Metro Denver is at the crossroads of three
major interstates—I- 25 is the north-south
route, while both I- 70 and I- 76 provide
About three-quarters of the beltway around
metro Denver has been completed, and an
Environmental Impact Statement (EIS) study is
currently underway to look at options for
completing the last beltway portion in
northwestern Jefferson County. As of March
2011, the beltway includes:
• C-470 ( 26 miles) extends from I- 25 in
the southern metro area to I- 70 near
Golden. The C-470 Corridor has
emerged as one of metro Denver’s
major economic corridors, providing a
vital connection between the mountains
and the southern suburbs and Front
• E-470 (toll road, 47 miles) runs along
the eastern perimeter of the metro
area and extends from C-470 at I- 25
(south of Denver), runs east and then
north through Aurora, passes along
the western edge of the Denver
International Airport, and turns west,
terminating at I- 25 on the north end
of the metro area.
• Northwest Parkway (toll road, 11 miles)
connects with E-470 and I- 25 at 157th
Avenue in metro Denver.