LAS VEGAS (KTNV) — There will be upcoming lane restrictions and ramp closures on Interstate 15 as part of the I-15 South Widening Project starting on Sunday at 8 p.m.
The restrictions wills be made for paving, concrete collar placement and manhole adjustments.
#FASTALERT
🚨 Expect intermittent ramp closures: I-15 SB 🚨⏰Nightly, 8 PM-5 AM (Sept 14-19)
⛔️From Silverado Ranch to St. Rose Pkwy.🗓️Sun-Mon:
⬇️I-15 SB down to 1⃣ lane (Blue Diamond to Starr).🗓️Tue-Fri:
⬇️I-15 SB down to 1⃣ lane (Starr to Sloan).⌚️ Plan for delays! pic.twitter.com/C82s4DsDuA
— RTC Southern Nevada (@RTCSNV) September 14, 2025
Here's when and where the lane restrictions will be taking place:
Nightly 8:00 p.m. to 5:00 a.m. Sunday, Sept. 14 to Friday, Sept. 19:
- Intermittent on and off-ramp closures along southbound I-15 between Silverado Ranch Boulevard and St Rose Parkway.
Nightly 8:00 p.m. to 5:00 a.m. Sunday, Sept. 14 and Monday, Sept. 15:
- Southbound I-15 reduced to one lane between Blue Diamond Road to Starr Avenue.
Nightly 8:00 p.m. to 5:00 a.m. Tuesday, Sept. 16 to Friday, Sept. 19:
- Southbound I-15 reduced to one lane between Starr Avenue to Sloan Road.
24/7 Tuesday, Sept. 16 through Friday, Sept. 19:
- Southbound I-15 reduced to three lanes between Warm Springs Road and Blue Diamond Road (auxiliary lane closed)
- Southbound I-15 reduced to three lanes between Blue Diamond Road and Silverado Ranch Boulevard (inside lane closed)