Colorado Highways: Routes 334 to 366 Quickjumps Directly to Routes < 300 to 333 340 US340 347 348 US350 367 to 399 > Colo Hwys Home   About

	Location: Eastern Mountains Alignment: Spur southwest from SH 73 south of Evergreen to Brook Forest
	Location: Western Mountains Alignment: Spur south from SH 82 at Snowmass
	Location: Eastern Mountains Alignment: Gold Camp Road from Colorado Springs to Cripple Creek History: SH 336 became a state highway in 1947, and was the number for Gold Camp Road from US 24 up to Cripple Creek. By 1954 the western portion of it had been turned back and it only went from US 24 up 20mi. Gone by 1955.
	Location: Western Mountains Alignment: Spur southwest from SH 335 south of SH 82
	Location: Western Mountains Alignment: Spur east from SH 82 at Woody Creek
	Location: Central Western Slope Alignment: Spur south from SH 330 at Collbran
	Location: Central Western Slope Length*: 13.34mi NW End: Jct US 6 at Coulson St in Fruita SE End: Jct BL I-70/US 50 at Grand Ave./1st St. in Grand Junction Counties: Mesa Places: Fruita, The Redlands, Grand Junction Expressway: From west of the Colorado River over it east into Grand Junction. Milepost Guide: 0.00: US 6, Fruita (begin SH 340 in Mesa County) 0.50: I-70 Exit 19 south of Fruita 13.34: BL I-70/US 50, Grand Junction (end SH 340) Annual Average Daily Traffic (2008): 3800 at US 6, Fruita 11,800 south of I-70 2600 east Colorado National Monument entrance 11,400 east of Colonial Dr./CR E.90 20,500 at BL 70/US 50, Grand Junction Guide: The northwest end of SH 340 has a bit of a backtracking beginning. From the I-70 Exit 19 interchange, SH 340 heads north onto Cherry St in Fruita, but a bridge immediately takes it over US 6 and a UPRR mainline railroad. In order to connect to US 6, at the foot of the bridge SH 340 turns left at Aspen Ave, goes west one block to Coulson St, and south one block to US 6. The I-70 and SH 340 interchane features roundabouts at the southside ramps and south frontage road. The southeast corner of the interchange is also home to a Colorado Welcome Center rest area and Western Slope Vietnam Veterans Memorial. From there SH 340 heads south out of Fruita and across the Colorado River. It then turns southeast, going up the Colorado valley toward Grand Junction. Along the way it parallels the northeast boundary of Colorado National Monument.  SH 340 then passes through the suburban development The Redlands on Broadway. Just west of downtown Grand Junction, SH 340 then turns east, goes over the Colorado again, then hits BL I-70/US 50 in central Grand Junction. Photo Gallery: SH 340/US 50/BL I-70. A sign assembly at SH 340's east end. Note how the "WEST" and up arrow is in the wrong place with respect to the shield. Photo by Robert Halonen. History: SH 340 became a state highway in 1939. The current section has remained pretty much unchanged, but originally there also was an east leg that went from US 50 just south of Grand Junction east, then stair stepped northeast to US 6 at Palisade. SH 340 was paved entirely by 1955. By 1970 the section east of Grand Junction reach only as far east of SH 146 (current SH 141). SH 340 had its east end trimmed back to Grand Junction by 1972.
	US 340 is a US Highway proposed in 1926 that did not "make the cut". US 340 was the first number proposed for the route from Limon east via Kit Carson and Cheyenne Wells to Kansas. US 40S ended up getting its place when the system was implemented in 1927.
	Location: Western Mountains Alignment: Spur both north and south from US 50 at Gunnison. The north section went from SH 135 just north of Gunnison north to Baldwin.
	Location: Central Western Slope History: When SH 342 first became a state highway in 1939, it went from Grand Junction and followed the south side of the railway northwest to Fruita. By 1949 US 6-50 had been rerouted on a more direct route from Grand Junction to Fruita, and SH 342 was turned back. But then on the 1950 maps there's an SH 342 shown, as a loop through Colorado National Monument.
	Location: Western Slope Alignment: Spur northeast from US 550 at Ridgway
	Location: Northwest Metro Denver History: When it became a state highway in 1939, SH 344 went from SH 222 (probably the intersection of Indiana and 64th) south and east via 58th to Wadsworth (SH 121). By 1946 it had been extended a little further to the east to SH 72 (maybe Harlan or Lamar). Gone by 1947.
	Location: Western Slope Alignment: Link from SH 65 at Cedaredge southeast to SH 92 at Lazear. Also spurred west from SH 65 and south from SH 92.
	Location: Eastern Western Slope Alignment: Link from SH 92 southeast of Hotchkiss northeast to SH 187 southwest of Paonia
	Location: Western Slope Length*: 5.25mi S End: Jct US 50 east of Montrose N End: South border of Black Canyon of the Gunnison National Park Counties: Montrose Annual Average Daily Traffic (2008): 870 at US 50 600 at BCGNP Guide: SH 347 doesn't do much else other than serve as an access road to the south rim of BCGNP. From US 50, it's one continuous curvy, uphill grade to BCGNP. The north rim is gotten to from SH 92.   History: SH 347 was brought into the state system in 1939. Paved by 1960. Black Canyon of the Gunnison was changed from a national monument to a national park in late October 1999.
	Location: Western Slope Length*: 17.06mi NW End: Jct US 50 at Eaton Ave., 7th St., and Main St. in Delta SE End: Jct US 50 on the east side Olathe Counties: Delta, Montrose Places: Delta, Pea Green Corner, Olathe Milepost Guide: 0.00: US 50, Delta (begin SH 348 in Delta County) 6.01: Enter Montrose County 16.83: BR US 50, Olathe 17.06: US 50 east of Olathe (end SH 348) Annual Average Daily Traffic (2008): 2300 at US 50, Delta 740 south of CR D 340 south of Banner Rd., Pea Green Corner 680 south of Dalia Rd. 1100 east of CR 55 4000 at US 50, Olathe Guide: From US 50 in central Delta, SH 348 heads southwest on Eaton Ave., west on 8th St., and then south out of town. On its way south to Pea Green Corner, it has one jog to the west, then it turns due east. Going east toward Olathe, it has one jog to the south. SH 348 then goes through town on 5th St., ending at the US 50 bypass on the east side of town. History: SH 348 became state highway in 1939. Originally it went from SH 65 south of Delta east through Olathe, then looped east, north, and west, back to US 50. By 1954, it had been rerouted so it had the routing it does now. Paved by 1963. See also SH 349 below.
	Location: Western Slope Alignment: Went from US 50 southeast of Delta then south via current SH 348 to SH 65 southwest of Olathe
	Location: Southern Western Slope Alignment: Link from SH 141 west of Nucla, east via Nucla to SH 90
	Location: Southern Front Range > Arkansas Valley Length*: 73.00mi SW End: Jct US 160 at Beshoar Junction NE End: Jct US 50 in west La Junta Nationally: This US highway is entirely within Colorado Counties: Las Animas, Otero Places: Beshoar Junction, Model, Timpas, La Junta Milepost Guide: 0.00: US 160 (begin US 350 in Las Animas County) 37.36: Enter Otero County 59.41: SH 71 south of Hawley 72.99: US 50, La Junta (end US 350) Annual Average Daily Traffic (2008): 1000 at US 160, Beshoar Junction 830 northeast of CR 85 430 northeast of CR 70 350 southwest of SH 71 210 northeast of SH 71 560 northeast of CR Y 2700 at Belmont Ave., La Junta 1000 at US 50 Guide: US 350 starts at US 160 northeast of Trinidad at Beshoar Junction, which is actually nothing more than a rail siding. US 160 coming northeast out of Trinidad is signed as "To 350". From US 160, US 350 heads northeast along a BNSF railline through the Tyrone Flats, past the Piñon Canyon Military Reservation and through a section of the Comanche National Grassland. Going northeast, US 350 goes through Model, Tyrone, Thatcher, Dehli and Timpas. Of those, there's nothing to Tyrone, and Thatcher and Delhi appear to be only rail sidings. Coming into La Junta, US 350 turns east on 5th St. then north on Barnes Ave., then ends at US 50. George Gallis in an e-mail mentioned to me one time he drove US 350 from La Junta to Trinidad on a Sunday evening. He saw three cars the whole way, and there was hardly ever a light in any direction. US 350 is one of the very few US highways that are entirely within one state. In fact, AASHTO recommends that US highways confined to one state be decommissioned. Despite being an angled highway, CDOT signs US 350 as east/west. History: US 350 is an original 1926 US Highway in Colorado, commissioned generally along the alignment of the historic Santa Fe Trail. Entirely paved by 1938. The majority of its alignment has been unchanged, but one area that started out different was to the northeast of Beshoar Junction. At first, US 350 went east from there, then north on CR 83, east on CR 36, north on CR 85 then northeast, finally onto its current alignment south of Earl. US 350 was moved off of that stairstep alignment onto its modern one by 1937. Also, each end has undergone numerous changes over the years: In Trinidad, from the 1920s US 350 came into town southwest via Main St. and ended in the center of town at the US 85 intersection at Commercial St. US 160 appeared in the Trinidad area about 1930, so US 160 and 350 were comarked between US 85 and the split at Beshoar Junction. About 1959, the US 85-87 elevated expressway (modern I-25) appeared through Trinidad, so about that time US 160-350 was extended southwest down Main St. from Commercial to the new highway. I-25 was completed along the elevated highway in 1968, so US 350 ended at I-25's Exit 13B from then until the 1990s. The US 160 Kit Carson Trail bypass to the north of downtown was built about 1992. We can only assume it was about the same time that US 350 stopped being marked between Beshoar Junction and I-25 and US 160 instead became "To 350". In La Junta, US 350 from the 1920s first came into town eastward on 6th St., north on Grant Ave., east on 5th, then north on Santa Fe Ave., ending at US 50 at 3rd St. By 1932, the section of US 350 east of Grant was chopped off and US 350 ended at Grant and US 50 on the west side of town. By 1934 US 350 didn't turn east on 6th, instead it continued northeast along the west side of Potter Park, ending at an intersection with US 50 that today doesn't exist. The year of the switch from that alignment to its modern one (5th-Barnes) is unknown. Suggestions: Following AASHTO's recommendation of single-state US routes, US 350 should be decommissioned. US 350 doesn't really deserve to be a US Highway. Can you say "SH 350"? Related Site: US 350 Endpoints by Dale Sanderson
	Location: Southwestern Mountains Alignment: Spur southwest from from SH 149 south of Lake City
	Location: Southern Western Slope Alignment: Spur west from SH 145 north of Norwood
	Location: Southern Western Slope Alignment: Spur from Silverton north to Gladstone. Later became part of SH 110.
	Location: Southern Western Slope Alignment: Spur west from SH 145 at Norwood
	Location: Southern Western Slope Alignment: Spur south from SH 145 west of Placerville
	Location: Northern Mountains Length: 12mi S End: Jct US 40 west of Craig N End: Jct CR 106 & CR 3 History: This SH 355 became a state highway in 1956, and went from US 40 west of Craig north via what is now CR 7 and CR 3 for 12mi. Turned back in 1967. Was never paved.
	Location: Southern Western Slope Alignment: Spur east from SH 80 (current SH 141) south of Naturita
	Location: Southern Western Slope Alignment: Spur south from SH 145 at Vanadium
	Location: Southern Western Slope Alignment: Spur southeast from SH 145 east of Norwood Thanks to Thomas Zieber for pointing out this one to me.
	Location: Southern Western Slope Alignment: Spur both north and south from SH 62 west of Dallas Divide
	Location: Southern Western Slope Alignment: Loop off the north side of SH 62 west of Ridgway
	Location: Southern Western Slope Length*: 5.20mi NE End: Jct US 550 in Ouray SW End: Camp Bird History: Brought into the state system in 1939. Turned back in 1984, and is now FR 853. Was never paved.
	Location: San Luis Valley Alignment: Link from US 285 south of Saguache southeast to SH 17 at Moffat
	Location: Southern Mountains Alignment: Spur north from SH 149 at Creede. Also went south from Creede, then southwest back to SH 149, then spurred southwest along Trout Creek.
	Location: Southern Mountains Alignment: Spur east from US 84 south of Pagosa Springs
	Location: Southern Mountains Alignment: Spur northwest from SH 149 southwest of Creede
	Location: Southern Mountains Alignment: Spur east from US 84 at Chromo

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Last updated 30 January 2010