- Colorado State Highway 257
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State Highway 257
Route information Maintained by CDOT Length: 18.478 mi[1] (29.737 km) Major junctions South end: 
SH 60 – Milliken
US 34
SH 392North end: 
SH 14Location Counties: Weld Highway system ← 
SH 239SH 263 
→Colorado State Highway 257 is a 18.478-mile long highway in Colorado's Front Range. It is located entirely in Weld County. Its western end is at SH 60 and its eastern end is at SH 14.
Contents
Route description
The route begins at SH 60 in the western part of Milliken, a town in central Weld County. It then heads northward, crosses the Big Thompson River, a tributary of the South Platte River then enters Greeley.
At Greeley, SH 257 has two interchanges with US 34[2] and US 34 Business. Because the intersection is so close to the terminus of Business Route 34, the two interchanges are just 0.3 miles apart.[3] Both are diamond interchanges, but at US 34 there are only entrance ramps from the east side.[3]
The snow-capped peaks of the Front Range. Also visible is a bike path near SH 257 in Windsor.
It then heads northward, and begins to curve northwest[4] over the Cache la Poudre River and into Windsor. It intersects Colorado State Highway 392 and abruptly turns west, beginning a concurrency at Main Street; about a mile later SH 257 abruptly turns back northward at 7th Street, ending the concurrency. It then heads all the way north to Colorado State Highway 14, where it terminates. No towns exist on the route from Windsor to SH 14.
History
The route was established in 1939 with several differences. The route went north to Windsor from Milliken, then turning west to SH 185. SH 185 was then deleted and replaced with Interstate 25, and SH 257 was readjusted so that it went north to SH 14. The route was paved by 1954. A spur south of Johnstown was eliminated a year later. The interchanges at US 34 and BR 34 were built in 1998.[5]
In November 2009, a new traffic signal was installed at the intersection with Garden Drive in Windsor. The construction cost about $350,000.[6]
Future
Because of congestion around the US 34 and BR 34 interchanges, a bus rapid transit system has been planned to be built in Greeley.[3]
Major intersections
The entire route is located in Weld County, Colorado.
Location Mile Destination Notes Milliken 0.000 SH 60Greeley 5.124 US 345.423 US 34 Bus. Windsor 10.595 SH 392 eastEastern end of SH 392 concurrency 11.580 SH 392 westWestern end of SH 392 concurrency 18.487 SH 141.000 mi = 1.609 km; 1.000 km = 0.621 mi
Concurrency terminus • Closed/Former • Incomplete access • UnopenedReferences
- ^ Colorado Department of Transportation. "Segment list for SH 257". http://www.dot.state.co.us/app_DTD_DataAccess/Highways/index.cfm?fuseaction=Description&route=257&begRefPt=0&endRefPt=500&Printable=true. Retrieved 2010-04-03.
- ^ Colorado Department of Transportation. "Interchange Information for Highway 257". http://www.dot.state.co.us/app_dtd_dataaccess/Highways/index.cfm?fuseaction=Interchange&route=257&begRefPt=0&endRefPt=500&Printable=true. Retrieved 040-05-2010.
- ^ a b c Colorado Department of Transportation. "US 34 and SH 257 BRT Station DEIS Evaluation". http://www.coloradodot.info/projects/north-i-25-eis/documents/brt_cr_cb_tech_memos/sh_257_deis_brt_10-10-07.pdf. Retrieved 04-05-2010.
- ^ National Geographic (October 2006). The United States (Map).
- ^ Salek, Matthew E. (01-30-10). "Colorado Routes 234-266". http://www.mesalek.com/colo/r234-266.html#257. Retrieved April 3, 2010.
- ^ Colorado Department of Transportation. "State Highway 257 at Garden Drive in Windsor - CDOT". http://www.coloradodot.info/projects/arraprojectfiles/sh257windsor. Retrieved 04-05-2010.
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