EscondidoNORTH COUNTYOceansideTRI CityVista 78 Westbound Closed at College – Sinkhole By NC Daily Star Staff - March 15, 2023 0 939 FacebookTwitterPinterestWhatsApp SR-78 westbound closure at College CalTrans stated that a massive sinkhole has forced an emergency closure of SR-78 westbound. All traffic will be exited at College Blvd. The work is expected to last as long as 4 days. Please plan accordingly.