Construction on the Horse Drive interchange at U.S. 95 is scheduled to start June 8 and will take 18 months to complete. The $44 million project in the northwest part of Las Vegas includes construction of an overpass and interchange, frontage roads, ramps, a bridge and extensive utility work, flood control improvements, traffic signals and lighting. Oso Blanca Road will be closed to traffic from Tee Pee Lane to Kyle Canyon Road for about 15 months.