 The Golden State Freeway then rises sharply, passing by Lake Castaic and undergoing a unique crossover resulting in a left-driving configuration for about 5 miles before the highway crosses back into its standard alignment.This stretch also boasts the second-largest median in California after I-8's In-Ko-Pah grade.It passes Pyramid Lake and intersects SR 138 before crossing the Tejon Pass through the Tehachapi Mountains, with Path 26 power lines generally paralleling the freeway.