 SR 78 runs concurrently with SR 79 across the headwaters of the San Diego River and through the hamlet of <unk> , briefly entering Cleveland National Forest before reaching Julian and entering the town as Washington Street . The route , still concurrent with SR 79 , turns east onto Main Street and travels through downtown Julian before SR 79 diverges south towards Cuyamaca and SR 78 heads northeast as Banner Road . The road intersects with County Route S2 ( CR S2 ) at a junction called Scissors Crossing ; CR S2 runs concurrently in a wrong @-@ way concurrency . Shortly afterwards , SR 78 enters Anza @-@ Borrego Desert State Park and is designated as a scenic highway for its length in the state park . Although this route travels many miles south of the town of Borrego Springs , it provides access to the town via CR S3 . SR 78 travels through the town of Ocotillo Wells before exiting the state park and entering Imperial County . 
