 In Imperial County , SR 78 intersects with SR 86 , running concurrently with it southwest of the Salton Sea and northwest of San Felipe Creek . SR 78 passes through the desert community of Elmore Desert Ranch before entering the city of Westmorland . The route , still concurrent with SR 86 , enters into the city of Brawley as Main Street , where SR 86 splits to the south towards El Centro . SR 78 continues north onto the Brawley Bypass , a freeway that passes to the north of downtown Brawley . SR 111 runs concurrently with SR 78 for a short duration before the latter exits from the freeway and continues east . 
