 Then , SR 78 intersects with SR 115 east of Brawley , running concurrently with it for a brief distance . Shortly after passing through the small community of Glamis , the road turns northeast and eventually north towards Blythe , passing near the Chocolate Mountain Naval Reserve . As it nears the Colorado River and the Arizona border , SR 78 briefly passes through Cibola National Wildlife Refuge before entering the community of Palo Verde , where the river turns away from the highway and SR 78 enters Riverside County . 
