The California Department of Transportation (Caltrans) will close eastbound and westbound State Route 12 (SR-12) between SR-160 and Interstate 5 (I-5) for construction work beginning at 10:00 p.m. on Friday, August 4, 2017, through 5:00 a.m. on Monday, August 7, 2017.
Motorists should consider I-5 and I-80 as alternate routes and should allow additional travel time due to the detour. Detour routes are above (an approximate 30-mile, 45-minute detour) and will be posted:
Traveling Eastbound on SR-12
Take SR-160 north to Walnut Grove Road to I-5
Traveling Westbound on SR-12
Take I-5 north to Walnut Grove Road to SR-160 south
Access to local residents, businesses and emergency services will be allowed into Tower Park from the east and into B&W Resort Marina (Brannon Island Road) from the west.
Current truck advisories apply. CA LEGAL trucks with kingpin to rear axle over 30 feet are not recommended on SR-160. Trucks are discouraged from using this detour route and are advised to use I-5 and I-80 as alternate routes.