Overnight lane closures are expected to happen starting Sunday.
The lane and ramp closures are part of the ongoing Thomas Roads Improvement Program.
Closures will be in effect for the two outside lanes on eastbound Hwy 58, between Real Road and Union Avenue.
Also, northbound and southbound Hwy 99 to eastbound 58 connector ramps.
Closures will also take place for the on and off ramp for Hwy 99 at Ming Avenue.
It will start Sunday and go on through Thursday evening, between 9 p.m. and 5 a.m.