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State Highway 150 (SH 150) is a long state highway in southern
Colorado Colorado (, other variants) is a state in the Mountain states, Mountain West subregion of the Western United States. It encompasses most of the Southern Rocky Mountains, as well as the northeastern portion of the Colorado Plateau and the wes ...
. SH 150's southern terminus is at
U.S. Route 160 U.S. Route 160 (US 160) is a 1,465 mile (2,358 km) long east–west United States highway in the Midwestern and Western United States. The western terminus of the route is at US 89 five miles (8 km) west of Tuba City, Arizo ...
(US 160) west of Blanca, and the northern terminus is at Great Sand Dunes National Park.


Route description

SH 150 begins in the south at its junction with US 160 roughly fifteen miles east of
Alamosa Alamosa is a home rule municipality and the county seat of Alamosa County, Colorado, United States. The city population was 9,806 at the 2020 United States Census. The city is the commercial center of the San Luis Valley in south-central Colora ...
and about six miles (10 km) east of Blanca. For much of its length the road heads arrow straight due north across the eastern margin of the broad, flat, nearly featureless San Luis Valley between the Sangre de Christo Mountains in the east and the
San Juan Mountains The San Juan Mountains is a high and rugged mountain range in the Rocky Mountains in southwestern Colorado and northwestern New Mexico. The area is highly mineralized (the Colorado Mineral Belt) and figured in the gold and silver mining industry ...
to the west. The road eventually deviates from its due north heading as it approaches its northern endpoint at Great Sand Dunes National Park.


History

The first route to use the number 150 was established in the 1920s, when it connected SH 17 at Mosca to SH 69 at Gardner over Mosca Pass which is no longer maintained for automobile travel. The route was deleted by 1954 and resurrected in 1960, when it connected Mosca with the Great Sand Dunes National Park. This routing was deleted in 1973 and resurrected again to its current routing today the following year.


Major intersections


References


External links

{{authority control 150 Transportation in Alamosa County, Colorado Transportation in Costilla County, Colorado