Seven-Vehicle Collision Caused Major Traffic Delays on Interstate 15 Las Vegas, NV (January 23, 2021) On Friday morning a 7-vehicle-crash on Interstate 15 caused massive traffic delays to motorists traveling that time. Moreover, the Nevada Highway Patrol (NHP) says the incident happened at about 6:10 a.m. on the southbound Interstate 15, near the Sahara exit. […]