LAS VEGAS (KXNT) - The Nevada Department of Transportation (NDOT) will be closing the north bound Interstate 15 to U.S. Highway 95 south bound ramp in downtown Las Vegas from 9 p.m., April 4, until 6 a.m., April 5, and again from 9 p.m., April 5, until 6 a.m., April 6. The temporary closures are...