State Highway 470 West

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Colorado 470 west / inner loop
The initial three exits of the C-470 beltway serve the unincorporated Highlands Ranch community in northern Douglas County. Photo taken 08/11/16.
C-470 leads west with six overall lanes from the four-level interchange at I-25 and E-470 to Quebec Street. Photo taken 08/11/16.
A lane drop takes place along C-470 westbound at the diamond interchange with Quebec Street in one half mile. Photo taken 08/11/16.
Quebec Street leads north to the Centennial neighborhoods of Willow Creek and Castlewood in Arapahoe County and south from Lone Tree through eastern reaches of Highlands Ranch. Photo taken 08/11/16.
A decorative overpass carries Quebec Street above the 470 beltway. The freeway leaves the Lone Tree city limits here. Photo taken 08/11/16.
With just four lanes, C-470 continues west toward Littleton. . 2015 traffic counts topped out at 111,000 vehicles per day between I-25 and Broadway. Photo taken 08/11/16.
Four exits depart from C-470 west in quick succession starting with University Boulevard north to Centennial. Photo taken 08/11/16.
Colorado 177 follows University Boulevard north from C-470, serving the Southglenn area of Centennial north to the cities of Greenwood Village and Cherry Hills. Upon reaching U.S. 285 (Hampden Avenue), the state highway ends, but University Boulevard continues north into the City of Denver, passing by Denver University before crossing Interstate 25 & U.S. 87 at Exit 205. Photo taken 08/11/16.
Apartments and single family home subdivisions line both sides of the C-470 freeway west from the Colorado Boulevard overpass to the diamond interchange with University Boulevard. Photo taken 08/11/16.
Westbound C-470 reaches the off-ramp for Colorado 177 north and University Boulevard. University Boulevard curves southeast through Highlands Ranch toward Lone Tree. After crossing Quebec Street, University Boulevard changes into Lincoln Boulevard, which meets Interstate 25 at Exit 193. Photo taken 08/11/16.
The next exit on the freeway west is with Broadway. Like University Boulevard, Broadway is another arterial street that originates in Downtown Denver. Broadway then travels due south through the Denver communities of Baker, Platt Park and Overland. Photo taken 08/11/16.
Confirming marker for C-470 west posted after University Boulevard. Photo taken 08/11/16.
County Line Road and its associated development accompanies the north side of C-470 west to U.S. 85 (Santa Fe Drive). Plaza Drive parallels the south side from Broadway west to Highlands Ranch Business Park and Lucent Boulevard. Photo taken 08/11/16.
C-470 curves southwest through the diamond interchange with Broadway. Broadway south serves central Highlands Ranch, intersecting Highlands Ranch Parkway after passing the community recreation center and Northridge Park. Photo taken 08/11/16.
C-470 west spans Dan Clark Gulch on the one mile approach to Lucent Boulevard. Originally known as Highlands Ranch Boulevard, the arterial was renamed Lucent Boulevard due to the proximity of the Lucent offices. Photo taken 08/11/16.
West from Lucent Boulevard, C-470 leaves Highlands Ranch to meet U.S. 85 (Santa Fe Drive) at south Littleton. Drivers reach the Columbine Hills community in 3.5 miles. Photo taken 08/11/16.
Reassurance shield preceding the diamond interchange with Lucent Boulevard. Photo taken 08/11/16.
Unlike most the previous arterials that have crossed Colorado 470 thus far, Lucent Boulevard does not travel north into the Denver city street grid, instead ending just north of C-470 at County Line Road and McLellan Reservoir. Photo taken 08/11/16.
The ensuing exit westbound departs in one mile for Santa Fe Drive. U.S. 85 is an expressway like road north of C-470, following a heavily traveled commuter route through Littleton, Englewood and Sheridan before entering the city/county of Denver. RTD light rail lines parallel U.S. 85 for a significant portion of the expressway route. Photo taken 08/11/16.
The 470 beltway briefly enters the Littleton city limits after this shield assembly and north of Fly-n-b Park. Photo taken 08/11/16.
Beyond Santa Fe Drive, C-470 wraps around Chatfield State Park to SH 121 (Wadsworth Boulevard), three miles to the west. Photo taken 08/11/16.
Travelers bound for U.S. 85 (Santa Fe Drive) part ways with the beltway westbound. U.S. 85 angles southeast from Highlands Ranch back toward I-25, serving Sedalia along the way. Interstate 25 & U.S. 87 and U.S. 85 rejoin at Castle Rock; the three routes combine south from there into El Paso County. Photo taken 08/11/16.
The freeway descends into the South Platte River Valley; U.S. 85 closely parallels the South Platte River through western Douglas County. Photo taken 08/11/16.
A flyover from Santa Fe Drive south to C-470 east accompanies the diamond interchange connecting the beltway with U.S. 85. Photo taken 08/11/16.
C-470 kinks north across the South Platte River, briefly nipping Arapahoe County. Photo taken 08/11/16.
A right in right out (RIRO) connection links the westbound lanes of C-470 with adjacent SH 75 (South Platte Canyon Road) in one mile. Photo taken 08/11/16.
This confirming shield for C-470 stands as the freeway travels south of South Platte Park Reservoir, ahead of milepost 16. Photo taken 08/11/16.
Bending back to the south, C-470 west crosses into Jefferson County, where it will stay for the remainder of the route northwest to Golden. Photo taken 08/11/16.
The turnoff for South Platte Canyon Road follows this shield assembly for SH 75. Kendall Boulevard stems north from the RIRO through the Columbine Hills community while Chatfield Avenue heads west to Chatfield Estates and SH 121. Photo taken 08/11/16.
Colorado 75 travels just 3.24 miles, originating at C-470 and extending north along South Platte Canyon Road to the town of Columbine Valley to Bowles Avenue. The portion east along Bowles Avenue to U.S. 85 (Santa Fe Drive) in Littleton was truncated from the state highway system. Photo taken 08/11/16.
The C-470 right of way cut into the original plat of the Herrick Dale subdivision just west of SH 75. Photo taken 08/11/16.
Colorado 121, which follows Wadsworth Boulevard along a north-south alignment through the Denver metropolitan area, crosses paths with C-470 near Milepost 14. Photo taken 08/11/16.
Interchange sequence sign posted for the succeeding exits west at the Meadow Ranch and Ken Caryl Ranch communities. Photo taken 08/11/16.
Chatfield State Park features hiking, biking, camping, swimming, hot air ballooning and many other activities. The Chatfield Reservoir was created by the damming of the South Platte River. Waterton Canyon is accessible south of the Lockheed Martin plant and end of SH 121, along South Platte River Road in Pike National Forest. Photo taken 08/11/16.
Entering the diamond interchange with Colorado 121 on C-470 west. Colorado 121 (Wadsworth Boulevard) travels 30.83 miles overall through the cities of Lakewood, Wheat Ridge, Arvada and Westminster before ending at U.S. 287 in Broomfield. Photo taken 08/11/16.
The ensuing off-ramp (Exit 12) from C-470 west departs one mile ahead for Kipling Parkway. This is the first numbered exit along westbound. Photo taken 08/11/16.
C-470 makes a gradual northward turn ahead of Deer Creek Canyon to run along side the Hog Back. Photo taken 08/11/16.
Passing between the Chatfield Bluffs subdivision and Hildebrand Ranch Park, drivers pass by this confirming marker. Photo taken 08/11/16.
A swath of industrial and business parks stretches northwest along Chatfield Avenue, from Kipling Parkway to Ken Caryl Avenue, within the vicinity of the succeeding two exits. Photo taken 08/11/16.
Kipling Parkway ends just south of the diamond interchange (Exit 12) with the 470 beltway by the Jefferson Corporate Center. Northward, Kipling Parkway continues beyond an adjacent retail area to the neighborhoods of Ken Caryl Ranch Plains and Stony Creek. Photo taken 08/11/16.
Arcing northwest, C-470 runs along side Deer Creek Golf Club at Meadow Ranch to a diamond interchange (Exit 10) with Ken Caryl Avenue. Photo taken 08/11/16.
Ken Caryl, Bowles and Quincy Avenues constitute west-east arterials joining C-470 with the unincorporated Jefferson County suburbs over the next 4.75 miles. Photo taken 08/11/16.
Exit 10 leaves C-470 west for Ken Caryl Avenue by the Ken Caryl Business Center. Ken Caryl Avenue serves Ken Caryl Ranch Plains, Columbine Knolls and Columbine Hills to the east and The Valley community of Ken Caryl Ranch to the west. Photo taken 08/11/16.
Advancing north from Ken Caryl, travelers next meet Bowles Avenue at Exit 7 in one mile. Bowles Avenue ends just west of the freeway at Eldridge Street north to the Bergen Reservoirs. Photo taken 08/11/16.
Dutch Creek cuts a valley into the adjacent the Hog Back beyond this pair of signs warning of potential deer. Photo taken 08/11/16.
A diamond interchange joins C-470 with Bowles Avenue in 0.75 miles. Exit 6 for Quincy Avenue follows at the Friendly Hills community. Photo taken 08/11/16.
East from Exit 7, Bowles Avenue serves the neighborhoods of Powderhorn, Foothill Green, Governors Ranch and Leawood among others, as well as Southwest Plaza Mall and Bowles Crossing Shopping Center. Bowles Avenue passes a third of a mile north of Columbine High School at Pierce Street. Columbine was the location of one of the most infamous school shootings in American history. Two students killed 12 classmates and a teacher on April 20, 1999, just before they committed suicide. Photo taken 08/11/16.
Quincy Avenue stems north from Belleview Avenue (CR 48) to curve eastward across C-470 at a folded diamond interchange (Exit 6) just south of the U.S. 285 freeway at Exit 5. Photo taken 08/11/16.
C-470 makes a sweeping curve between the Berger Reservoirs and Mountain West Business Center west of parallel Alkire Street. Photo taken 08/11/16.
Forthcoming U.S. 285 angles northeast from south Morrison to Lakewood. C-470 enters the Morrison town limits at the subsequent exit with SH 8 (Exit 4). Photo taken 08/11/16.
Belleview Avenue ascends onto the Hog Back west from Quincy Avenue toward Mount Lindo Park, Kingfisher Lake, Willow Springs Reservoir and Red Rocks Country Club. Photo taken 08/11/16.
Quincy Avenue parallels U.S. 285 east to the Harriman Park and Lakehurst neighborhoods, eventually reaching the Denver city line at the Marston community. Photo taken 08/11/16.
A weaving traffic pattern ensues from the Quincy Avenue on-ramp to the adjacent cloverleaf interchange (Exits 5B/A) with U.S. 285 to Denver and Fairplay. Photo taken 08/11/16.
Motorists bound for the U.S. 285 freeway east to Lakewood, Englewood and Denver depart from C-470 west. U.S. 285 ends in 13.7 miles at Interstate 25 and Colorado 30 (Hampden Avenue) at University Hills in southeast Denver. Photo taken 08/11/16.
Exit 5A loops away from C-470 west to join U.S. 285 southbound. U.S. 285 passes through some gorgeous mountain scenery as it heads southwest through Aspen Park and Conifer en route to Kenosha Pass and Park County. Photo taken 08/11/16.
An unmarked RIRO lies just north of U.S. 285 with a section of Hampden Avenue east to Bear Creek Lake Park and the Soda Lakes. Photo taken 08/11/14.
The Soda Lakes recreation area comes into view just east of C-470 (Centennial Parkway). Photo taken 08/11/16.
Mount Morrison rises to the west beyond this reassurance marker by the Soda Lakes. Photo taken 08/11/16.
Suburban development in west Lakewood spreads northward from SH 8 toward Green Mountain to the north. SH 8 (Morrison Road) lines the north side of Bear Creek Lake Park east to Fox Hollow at Lakewood golf course. Photo taken 08/11/16.
The westbound auxiliary lane from U.S. 285 drops at the single point urban interchange (Exit 4) with Colorado 8 (Morrison Road). Photo taken 08/11/16.
Colorado 8 west to Colorado 74 (Bear Creek Road) in Morrison leads to one of Colorado's most famous amphitheaters: Red Rocks. Many top flight acts have performed at this outdoor pavilion, popular as a music venue for its acoustics and ambience. Photo taken 08/11/16.
Two lanes leave C-470 west for Exit 4 and SH 8 (Morrison Road). 8.68 miles in length, SH 8 overlays former U.S. 285 south from Morrison to Turkey Creek Canyon and east through Lakewood to SH 121 (Wadsworth Boulevard). Photo taken 08/11/16.
Continuing north from SH 8, Centennial Parkway runs along side Bandimere Speedway and South Dinosaur Open Space Park. Photo taken 08/11/16.
Exit 2 joins C-470 with Alameda Parkway in one mile. Construction on the $22 million diamond interchange started in October 18, 2007. Right of way for the exit was partially donated by the Rooney family, which planned the 2,000-acre Rooney Valley (Solterra) development nearby.1 The exchange opened to traffic on July 1, 2008.2 Photo taken 08/11/16.
3.5 miles of C-470 west (north) remain to U.S. 6 at Golden. The freeway is six lanes wide to Interstate 70. Photo taken 08/11/16.
Forthcoming Alameda Parkway winds west onto Dinosaur Ridge to CR 93 and Dinosaur Ridge Park. The nationally recognized park contains a number of dinosaur bones and fossilized tracks. Photo taken 08/11/16.
Alameda Parkway encircles Green Mountain and William Frederick Hayden Park northeast from Exit 2 to the Lakewood Vista at Green Mountain and Green Mountainside communities in Lakewood. Photo taken 08/11/16.
Traffic partitions with a two-lane ramp (Exit 1) for Interstate 70 west to Grand Junction and east to Denver in 1.5 miles. Photo taken 08/11/16.
Centennial Parkway winds northward between William Frederick Hayden Park and Thunder Valley Motorcycle Park as it circumvents the west side of Green Mountain. Photo taken 08/11/16.
Prior to 2000, the original 26.20 mile section of C-470, inventoried by CDOT as Route 470A, ended at Interstate 70. The 1.212 mile spur to U.S. 6 is Route 470W. Photo taken 08/11/16.
C-470 west enters the city limits of Golden at the upcoming directional cloverleaf interchange (Exit 1) with Interstate 70. Photo taken 08/11/16.
Drivers continuing north on C-470 to U.S. 6 (6th Avenue) in Golden are advised to use the left lane to the separation of Exit 1 for I-70. U.S. 6 constitutes a three mile long expressway from C-470 to Colorado 93 north toward Boulder. Photo taken 08/11/16.
Interstate 70 west climbs through Mont Vernon Canyon to Genesee Park and El Rancho on the 19 mile drive to Idaho Springs. Photo taken 08/11/16.
Exit 1 leaves Centennial Parkway north for I-70 west 233 miles to Grand Junction and I-70 east 10.4 miles to the Denver city line at Regis.
Work to upgrade the trumpet interchange between the two freeways at Exit 1 was not completed until 2006. Photo taken 08/11/16.
Two lanes join Interstate 70 east just ahead of the 6th Avenue freeway (U.S. 6) and Colorado Mills mall. I-70 travels across the north side of Denver en route to Limon and the Great Plains. Photo taken 08/11/16.
Exit 1 forms a collector distributor roadway north to loop ramps from I-70 east and to I-70 west. Photo taken 08/11/14.
West from Golden, Interstate 70 ascends across the central Rocky Mountains to Silverthorne, Vail, Eagle and Glenwood Springs. The remainder of C-470 north spurs north by the Denver Corporate Center and Golden Terrace Village mobile home park. Photo taken 08/11/16.
Speed limits reduce to 55 miles per hour just beyond I-70. Just north from there, C-470 crosses over Business Loop I-70 & U.S. 40 (Colfax Avenue) and splits with the unnumbered ramp to U.S. 6 (6th Avenue) east and Johnson Road north. Photo taken 08/11/16.
A two lane flyover shuttles motorists over 6th Avenue and onto U.S. 6 west toward SH 93 and Clear Creek Canyon. Photo taken 08/11/16.
The two-wye interchange with U.S. 6 and Johnson Road north lines the south side of Jefferson County Courthouse and government center. Photo taken 08/11/16.

Sources:

  1. "Alameda interchange to drive growth - Construction will begin Oct. 18, paving the way for development of what officials are touting as "Tech Center West."" The Denver Post (CO), September 30, 2007.
  2. "Development budding in Rooney Valley." The Denver Post (CO), April 24, 2008.


Photo Credits:

08/11/14, 08/11/16 by AARoads

Connect with:
Interstate 70
U.S. 6
U.S. 285

Page Updated 04-18-2017.