The Nevada Department of Transportation (NDOT) is announcing an updated schedule of lane closures on Interstate 15 (I-15) for the ongoing I-15 South Widening Project. These traffic restrictions are necessary for profile grinding, lighting upgrades, and asphalt milling operations. The schedule is subject to change due to weather and other factors.

Nightly (8:00 p.m. to 5:00 a.m.) Sunday, July 20 to Tuesday, July 22:

• Northbound I-15 reduced to one lane from Blue Diamond Rd to Warm Springs Rd
• Eastbound Blue Diamond Rd to northbound I-15 flyover road closed

Nightly (8:00 p.m. to 5:00 a.m.) Sunday, July 20 to Friday, July 25:

• Northbound I-15 reduced to one lane from Sloan Rd to Starr Ave
• Northbound I-15 reduced to one lane from Silverado Ranch Blvd to Blue Diamond Rd
• Southbound I-15 reduced to two lanes from Starr Ave to St Rose Pkwy

Nightly (8:00 p.m. to 5:00 a.m.) Monday, July 21 to Friday, July 25:

• Southbound I-15 reduced to one lane from Warm Springs Rd to Blue Diamond Rd

Nightly (8:00 p.m. to 5:00 a.m.) Sunday, July 27 to Friday, August 1:

• Northbound I-15 reduced to one lane from Sloan Rd to Starr Ave

Ongoing work:

24/7 through July 2025:

• Southbound I-15 reduced to three lanes from Warm Springs Rd to Blue Diamond Rd (auxiliary lane closed)
• Northbound I-15 reduced to three lanes between Silverado Ranch Blvd and Blue Diamond Rd (auxiliary lane closed)

Motorists should use caution while traveling through work zones, and take alternate detour routes, if possible. NDOT works with Waze to inform the public about planned highway restrictions. The schedule is subject to change due to weather or other factors.

Additional state highway information is available at dot.nv.gov or by calling (775) 888-7000. For the latest state highway conditions, visit nvroads.com or call 511 before driving. Also follow @NevadaDOTVegas on X for traffic and project updates in southern Nevada, and @nevadadot on X, Facebook, and Instagram for updates from across the state.