More lane closures are expected for Project Neon Sunday and Monday.
Lanes will be closed from 9 p.m. Sunday to 5 a.m. Monday to dig trenches for the widening of Interstate 15.
Planned work closures include:
Jan. 31
Martin Luther King Boulevard onramp to southbound U.S. 95/northbound I-15
Feb. 1
Northbound I-15 to Martin Luther King Boulevard off-ramp.