 At Dana Point, I-5 turns inland while SR 1 continues along the coast.I-5 then heads due north through San Juan Capistrano and Mission Viejo, intersecting the SR 73 toll road heading northwest.I-5 continues to the El Toro Y interchange with I-405 in southeastern Irvine, splitting into lanes for regular traffic as well as for truck traffic (though autos can use these lanes as well).