A three-mile stretch of U.S. Highway 95 will be narrowed to a single lane for seven months starting Thursday. Crews will be building freeway bridges in northwest Las Vegas. <br /> Both directions of the highway will be reduced to one lane between Skye Canyon Park and Paiute drives from 5 a.m. Thursday to July 12. <br /> Crews are building a new interchange bridge at Kyle Canyon Road as part of a larger $65 million upgrade of U.S. 95 in the northwest valley.