Interstate 70 West - Jefferson County

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Interstate 70 West
Upon crossing Sheridan Boulevard (Colorado 95), Interstate 70 leaves Denver and enters Jefferson County. The freeway runs north of Lake Rhoda to a modified diamond interchange (Exit 270) with 48th Avenue and Harlan Street. 04/22/17
Harlan Street leads north from Exit 270 to become Clear Creek Drive through Regis in Denver to 52nd Avenue on the Adams County line. South from I-70, Harlan Street separates the town of Lakeside from Wheat Ridge to a retail area at 44th Avenue. 04/22/17
Advancing west form Lakeside, Interstate 70 turns north to merge with the west end of Interstate 76 in southeast Arvada. Ramps between the two freeways intertwine with adjacent Exit 269A for SH 121 (Wadsworth Boulevard). I-70 otherwise separates Arvada from Wheatridge to Ward Road (Exit 265). 04/22/17
Exit 269A forms a distributor roadway, carrying traffic from both I-70 west and I-76 west to SH 121 (Wadsworth Boulevard). SH 121 comprises a nearly 31-mile urban boulevard or suburban arterial south to Lakewood and Ken Caryl Ranch and north to Arvada, Westminster and U.S. 287 at Broomfield. 04/22/17
Interstate 70 clips the southeastern corner of Arvada city limits as it crosses Clear Creek. Ramps from I-70 east and SH 121 combine above to form the eastbound beginning of I-76 to Brighton, Fort Morgan and Sterling. 08/29/04
The advent of traffic from the wye interchange (Exit 269B from I-70 east) with Interstate 76 west swells I-70 westbound to five overall lanes as the freeway reenters Wheat Ridge. 04/22/17
This reassurance marker for Interstate 70 west stands within the directional cloverleaf interchange with Colorado 121 (Wadsworth Boulevard). 04/23/17
Colorado 391 (Kipling Street) concludes a 9.64 mile route north from U.S. 285 in Lakewood at Exit 267 in one half mile. 04/22/17
Colorado 58 (Golden Freeway) branches west from Interstate 70 in three miles. The freeway turns south to Lakewood from there. 04/23/17
A diamond interchange (Exit 267) joins Interstate 70 with Colorado 391 (Kipling Street) south through Wheat Ridge. Kipling Parkway extends north as a locally maintained arterial into Arvada. 04/23/17
Taking Exit 267 from I-70 west to SH 391 (Kipling Street) south. Kipling Street intersects 49th Avenue nearby amid a retail area spreading north to Ridge Road. 04/23/17
Forthcoming Colorado 72 (Ward Road) stems north from 44th Avenue and Exit 266 to 64th Avenue in Arvada. 04/22/17
Frontage roads accompany Interstate 70 west from Kipling Street to Tabor Street. 04/22/17
A half mile ahead of the folded diamond interchange (Exit 266) with Ward Road on I-70 west. 04/22/17
SH 58 is a 5.63 mile freeway joining Interstate 70 with the city of Golden and U.S. 6 through Clear Creek Canyon from just west of SH 72 (Ward Road). 04/22/17
Traveling 54.06 miles overall to Colorado 7 at Raymond, Colorado 72 follows a stair stepped route through Arvada to leave the suburban city west through Coal Creek Canyon to Nederland. 04/22/17
Exit 266 departs from Interstate 70 west for Colorado 72 (Ward Road) and 44th Avenue (old Colorado 58). 04/22/17
Curving south, Interstate 70 gains an auxiliary lane from Ward Road to Exit 265 with Colorado 58 (Exit 265) west. 04/22/17
Youngfield Street (Exit 264), 1.25 miles ahead, represents the first of three interchanges along I-70 west for the city of Lakewood. 04/22/17
The Golden Freeway replaced 44th Avenue west as the alignment for Colorado 58 by 1974. The high speed route parallels Clear Creek west between North and South Table Mountains toward Downtown Golden. 04/22/17
Exit 265 was expanded from a wye to a semi directional T interchange to provide full access between SH 58 and I-70 by 2008. 04/22/17
Interstate 70 runs alongside Youngfield Street south to a modified diamond interchange (Exit 264) with 32nd Avenue. Youngfield Street, a 1930s alignment of Colorado 173, continues to Wide Acres and Colfax Avenue in Lakewood. 08/29/04
Progressing south between South Table Mountain and Maple Grove Reservoir, drivers on I-70 reach the Denver West area of Lakewood in 2.25 miles and meet Business Loop I-70 & U.S. 40 (Exit 263) in 3.25 miles. 08/29/04
32nd Avenue west passes around the north slope of South Table Mountain to enter Downtown Golden near the main Coors Brewing Company. East from Exit 264, 32nd Avenue travels through the Applewood Village community of Wheat Ridge. 08/29/04
Angling southwest, Interstate 70 crosses paths with Denver West Marriott Boulevard north and Denver West Colorado Mills Parkway south in one mile. Collectively the north-south arterial serves an array of apartments, offices buildings and retail making up Denver West. 08/29/04
Business Loop I-70 & U.S. 40 (Colfax Avenue) head west from Colorado Mills mall to meet Interstate 70 at the succeeding exit. Colfax Avenue provides the connection to U.S. 6 (6th Avenue) west through Golden, as there is no direct access to the expressway from I-70 directly. 08/29/04
Exit 263 links Interstate 70 with adjacent Denver West Parkway to the National Renewable Energy Lab on the south side of South Table Mountain. 08/29/04
Entering the diamond interchange (Exit 263) with Denver West Marriott Boulevard and Denver West Colorado Mills Parkway on Interstate 70 west. 08/29/04
Green Mountain and Dinosaur Ridge appear to the southwest as Interstate 70 advances to the diamond interchange (Exit 262) with Colfax Avenue. 08/29/04
Business Loop I-70 & U.S. 40 (Colfax Avenue) last met I-70 in east Aurora at Exit 288. The tandem cross southern areas of Golden by a mix of car dealerships, big box retail, industrial parks and mobile home communities to Heritage Square Amusement Park and Exit 259. 08/29/04
Exit 260 departs in one mile for C-470, the belt route encircling the Jefferson County suburbs south of Lakewood to Highlands Ranch in Douglas County. 08/29/04
A directional ramp adds traffic to I-70 west from U.S. 6 (Sixth Avenue) west ahead of C-470 and County Road 93 south along Dinosaur Ridge. 08/29/04
C-470 (Centennial Parkway) serves the town of Morrison, Bear Creek Lake Park, Chatfield State Park and the cities of Littleton and Centennial along its 27.5 mile course to Interstate 25 at Lone Tree. 08/29/04
Exit 260 provides access to C-470 south. The freeway extension north to U.S. 6 at Johnson Road was completed in 2000. Ramps were added from C-470 south to I-70 west and from I-70 east to C-470 north by 2006. 08/29/04
Reassurance marker and dynamic message sign at the C-470 overpass on I-70 west. This variable message sign provides information related to traffic congestion and weather conditions that may affect freeway travel in the higher elevations. 08/29/04
Forthcoming County Road 93 spurs south from Exit 259 along Dinosaur Ridge and the Hogback to a parking area. Business Loop I-70 ties in from adjacent U.S. 40 to the north, which leads west to the Mother Cabrini Shrine. 08/29/04
The subsequent exits along Interstate 70 west lie beyond Mount Vernon Canyon. U.S. 40 parallels this stretch just to the north. 08/29/04
County Road 93 replaced Colorado 26, which was truncated from Colorado 8 at Morrison north and east to Colorado 88 (Federal Boulevard) in Denver. CR 93 and Hog Back Road provided a local route to Dinosaur Ridge and Mount Vernon Avenue in Morrison Road. 08/29/04
Park and ride lots reside next to the diamond interchange (Exit 259) joining I-70 with Business Loop I-70 (Colfax Avenue) east, U.S. 40 and County Road 93 south. 08/29/04
Entering Mount Vernon Canyon, Interstate 70 commences an 18 mile drive to Idaho Springs. The freeway gains nearly 1,000 feet in elevation to the city center. Grand Junction meanwhile is 232 miles to the west. 11/10/03
Interstate 70 climbs along a 6% grade through Mount Vernon Canyon to reach Exit 256 for U.S. 40 and Grapevine Road. 11/10/03
The diamond interchange (Exit 256) with Grapevine Road leads motorists onto U.S. 40 west for Lookout Mountain Road. Lookout Mountain Road meanders north from nearby to Lookout Mountain Nature Center and Preserve and Buffalo Bill's Grave. 08/29/04
Interstate 70 continues the climb west from Mount Vernon Canyon to Genesee Park. 11/08/03
U.S. 40 loops alongside Mount Vernon Creek to the north and west back to Interstate 70 at a diamond interchange (Exit 254) in one mile. 11/08/03
The buffalo herd is located on private property on a hillside overlooking Interstate 70 to the north of the freeway. An overlook lines the freeway at the U.S. 40 westbound on-ramp from Exit 254. 11/08/03
A variety of homes and condominiums can be found in the neighborhoods accessed via Exit 254, both south along Genesee Trail or Genesee Mountain Roads and north of U.S. 40 along Mt. Vernon Country Club Road. 11/10/03
A slip ramp departs from underneath the Genesee Park (Exit 254) overpass from I-70 westbound for the buffalo herd overlook. 11/08/03
Interstate 70 U.S. 40 West
Construction of Interstate 70 between Genesee Park to SH 74 in 1972 directly replaced U.S. 40 west. A diamond interchange (Exit 253) lies midway along the segment at Chief Hosa. 02/02/02
Exit 253 leaves I-70 & U.S. 40 west for Moss Road Rock west and Genesee Drive east to the adjacent Chief Hosa Lodge and Genesee Mountain. 11/08/03
Colorado 74 begins an 18.11 mile loop south to Bergen Park, Evergreen and east to Kittredge and Morrison from Interstate 70 west in 0.75 miles. 11/08/03
An auxiliary lane adds to Interstate 70 west from Chief Hosa to the wye interchange (Exit 252) with Colorado 74 (Evergreen Parkway) eastbound. 11/08/03
U.S. 40 parts ways with Interstate 70 west at Exit 252 to emerge as a frontage road for the freeway west from SH 74 (Evergreen Parkway). SH 74 winds southwest to Hidden Valley while U.S. 40 crosses paths with I-70 again just west of El Rancho. 11/08/03
Interstate 70 West
Interstate 70 makes a series of S-curves west from El Rancho toward Shaffer and Floyd Hills. Saddleback Mountain rises in the distance. 11/08/03
One mile ahead of Exit 248 for Beaver Brook and Floyd Hill on Interstate 70 west. 11/08/03
Exit 248 consists of a split diamond interchange with Bergen Park Road to the east, and an access road linking I-70 with parallel U.S. 40 and Hyland Drive, to the west. 11/08/03

Photo Credits:

02/02/02, 11/08/03, 11/10/03, 08/29/04, 04/22/17, 04/23/17 by AARoads

Connect with:
Business Loop I-70 - Golden, Denver, Aurora
State Highway 121 - Wadsworth Boulevard
State Highway 470

Page Updated 05-08-2017.

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