A stretch of southbound Highway 99 in Manteca is closed at night to allow construction near its junction with Highway 120.
The detour is scheduled for 11 p.m. to 5 a.m. through the morning of Friday, March 13. It is in the area of Austin Road and Moffat Boulevard.
This is part of an $48.2 million project that will provide a second lane where eastbound 120 connects with southbound 99…