- Source: California State Route 203
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State Route 203 is a state highway in the U.S. state of California that serves as a spur route from U.S. Route 395 in Mono County to the town of Mammoth Lakes and Minaret Summit. Within Mammoth Lakes, State Route 203 is known as both "Minaret Road" and "Main Street." It connects to Lake Mary Road and the Mammoth Scenic Loop via secondary roads.
Route description
The route's western terminus is at Minaret Summit, on the border of Mono County and Madera County approximately 7 miles northeast of Devils Postpile National Monument. It then heads east and intersects with Mammoth Scenic Loop Road, before entering the town of Mammoth Lakes, where it is known as both "Minaret Road" and "Main Street". It continues east to its eastern terminus at U.S. Route 395.
West of SR 203's western terminus, the road continues locally as "Postpile Road" or "Minaret Summit Rd" for 8.5 miles passing Devils Postpile National Monument and ending at Red's Meadow Resort and Pack Station. East of US-395, the road continues for 1.7 miles as "Old Hwy" connecting utility yards and rural residences to the route.
Minaret Summit receives significant snowfall during the winter. The highway usually closes between Minaret Summit and the Main Lodge of Mammoth Mountain Ski Area before Thanksgiving and usually does not open much before Memorial Day. There is no actual road closure gate here, as the highway is simply not plowed past the area west of the lodge where ski lifts cross over the road.
Major intersections
Except where prefixed with a letter, postmiles were measured on the road as it was in 1964, based on the alignment that existed at the time, and do not necessarily reflect current mileage. R reflects a realignment in the route since then, M indicates a second realignment, L refers to an overlap due to a correction or change, and T indicates postmiles classified as temporary (for a full list of prefixes, see California postmile § Official postmile definitions). Segments that remain unconstructed or have been relinquished to local control may be omitted. The entire route is in Mono County.
See also
California Roads portal
References
External links
Caltrans: State Route 203 highway conditions
Caltrans Traffic Conditions Map
California Highway Patrol Traffic Incidents
California @ AARoads.com - State Route 203
California Highways: SR 203