Northwest Parkway

Northwest Parkway
	Northwest Parkway highlighted in red
Route information
Length	9.052 mi (14.568 km)
Major junctions
West end	US 36 in Broomfield
East end	I-25 / E-470 in Broomfield
Location
Counties	Broomfield, Boulder
Highway system
	Colorado State Highways Interstate; U.S.; State; Scenic;

The Northwest Parkway is a 9-mile (14 km) road running from the intersection of I-25 and E-470 to US 36. Both termini are in Broomfield, Colorado, northwest of Denver. In combination with E-470 (47 miles) and SH 470 (27 miles), the Northwest Parkway forms a partial beltway of approximately 83 miles (134 km) around the Denver-Aurora Metropolitan Area. Some 18 miles (29 km) lie between the west end of the Northwest Parkway and the northwest end of SH 470, the opposite end of the beltway.[1]

Interchange of the Northwest Parkway, Interstate 25, and E-470

The Northwest Parkway was funded entirely with private money and charges a $4.10 toll. Tolls may be paid using highway-speed electronic tolling.

Route description

Northwest Parkway begins as a continuation of E-470 westward. Following a stack interchange with Interstate 25,[2] the parkway crosses Huron Street in suburban Broomfield, surrounded by fields. After intersecting Sheridan Parkway the route passes a small pond, followed by an underpass with Lowell Blvd. Near Dillon Road the parkway interchanges with U.S. Highway 287 in Lafayette before re-entering Broomfield near the end of the toll portion at 96th Street.[2] The parkway continues untolled for one last mile (1.6 km) before terminating at an interchange with U.S. Route 36.

Tolls

Tolls on Northwest Parkway are charged based on a barrier toll system. It costs 2 axle vehicles $4.10 for the barrier on the mainline plaza and $1.35 for the ramp gantries. [3] ExpressToll and Go-Pass users do not pay processing fees, late fees, or any other fees in addition to the toll amount. [4]

History

The Northwest Parkway opened to the public in November 2003. In November 2005, a new intersection opened at Sheridan Boulevard in northern Broomfield. In August 2001, the cities of Westminster and Arvada put into motion the completion of an extension of the Northwest Parkway, sometimes termed W-470, to connect to SH 470, I-70 and US 6 in Golden. The city of Golden struck down the proposal, but in a compromise with the Colorado Department of Transportation, an environmental impact study is being done. Most likely, Indiana Street and SH 93 would be used to complete the beltway.

Lease to foreign consortium

In 2007, the board of directors of the Northwest Parkway agreed to lease the operations of the highway to a consortium for 99 years. The two companies of the consortium are Brisa - Auto-estradas de Portugal and Companhia de Concessões Rodoviárias. According to the Boulder Daily Camera, this was the fourth time in two years that operations of an existing toll road in the USA had been turned over to a private company under a long-term lease.[5]

The Northwest Parkway had been consistently generating less income than envisioned when it was funded by three local governments — Broomfield, Lafayette, and Weld County. The parkway was built with $416.4 million in bonds, to be paid back with toll revenue over 35 years. Due to the road's under-utilization, the bond debt was downgraded in 2006. Utilization in 2007 was 12,000 cars per day, well below the 18,500 expected by 2004, one year after opening.[6]

Exit list

County	Location	mi[7]	km	Exit	Destinations	Notes
City and County of Broomfield		46.398– 46.950	74.670– 75.559	47	I-25 / E-470 east – Denver, Fort Collins, Denver International Airport	East end of Northwest Parkway; continues east as E-470. I-25 exit 228.
		48.070	77.361	48	Sheridan Parkway
		49.280	79.308	Toll plaza
Boulder	Lafayette	52.360	84.265	52	US 287 / Dillon Road – Lafayette, Broomfield
City and County of Broomfield		54.450	87.629		96th Street north / Via Varra south – Louisville	At-grade intersection; west end of tollway portion
City and County of Broomfield		55.45	89.24		US 36 (Denver-Boulder Turnpike)	Interchange; west end of Northwest Parkway; road continues as Interlocken Loop
1.000 mi = 1.609 km; 1.000 km = 0.621 mi Electronic toll collection Route transition

References

Overview of Northwest Parkway
"Bing Maps". Retrieved 2010-06-01.
Northwest Parkway tolls http://www.northwestparkway.org/tolls.html
Northwest Parkway tolls http://www.northwestparkway.org/tolls.html
Wallace, Alicia (2007-12-24). "Business Briefs". Boulder Daily Camera. Archived from the original on 2008-01-18. Retrieved 2008-02-17.
Avery, Greg (2007-03-05). "Road to riches: Private company may purchase Northwest Parkway". Boulder Daily Camera. Archived from the original on 2019-11-28. Retrieved 2008-02-17.
Colorado Department of Transportation, Highway Data Archived 2007-10-08 at the Wayback Machine, accessed January 2008: note that not every interval between mileposts is exactly a mile, explaining why more exits than expected are at the exact milepost

External links

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[1] Overview of Northwest Parkway

[bing-2] "Bing Maps". Retrieved 2010-06-01.

[3] Northwest Parkway tolls http://www.northwestparkway.org/tolls.html

[4] Northwest Parkway tolls http://www.northwestparkway.org/tolls.html

[5] Wallace, Alicia (2007-12-24). "Business Briefs". Boulder Daily Camera. Archived from the original on 2008-01-18. Retrieved 2008-02-17.

[6] Avery, Greg (2007-03-05). "Road to riches: Private company may purchase Northwest Parkway". Boulder Daily Camera. Archived from the original on 2019-11-28. Retrieved 2008-02-17.

[CDOT-7] Colorado Department of Transportation, Highway Data Archived 2007-10-08 at the Wayback Machine, accessed January 2008: note that not every interval between mileposts is exactly a mile, explaining why more exits than expected are at the exact milepost