For the earlier highway signed as Route 243, see California State Route 243 (1964–1968).
State Route 243
Banning-Idyllwild Panoramic Highway
SR 243 highlighted in red
Route information
Maintained by Caltrans
Length
29.625 mi[1] (47.677 km)
Tourist routes
Banning-Idyllwild Panoramic Highway
Major junctions
South end
SR 74 in Mountain Center
North end
I-10 in Banning
Location
Country
United States
State
California
Counties
Riverside
Highway system
State highways in California
Interstate
US
State
Scenic
History
Pre‑1964
Unconstructed
Deleted
Freeways
← SR 242
→ SR 244
State Route 243 (SR 243), or the Banning-Idyllwild Panoramic Highway, is a 30-mile (48-kilometer) two-lane state highway in the U.S. state of California that runs from Banning (in the north) to Idyllwild (in the south) in Riverside County. The highway is a connector between Interstate 10 (I-10) and SR 74. Along its route, it provides access to the San Bernardino National Forest. A road from Banning to Idyllwild was planned around the turn of the twentieth century, and was open by 1910. The road was added to the state highway system in 1970.
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