The I-15 North Corridor Design-Build project will be completed in four segments. Activities by segment are described and illustrated below:

Segment 1 - US 95/I-515 to Lake Mead Blvd

Begin widening from six lanes to ten from U.S. 95 (Spaghetti Bowl) to Lake Mead
Reconstruction of on- and off-ramps at D Street
Reconstruction of the aging bridges at Bonanza Road, D Street and Washington Ave.
New connection road linking D Street and F Street between I-15 and Bonanza Rd.
Begin auxiliary lanes between interchanges from U.S. 95 to Craig Rd.
Sound walls at the west side of the I-15 between U.S. 95 and Owens Avenue
Sound walls on the east side of i-15 just south of the Lake Mead Blvd. interchange
Lighting improvements
Landscaping improvements
Freeway Management System, including: dynamic message signs, ramp meters and closed circuit television cameras
Pavement reconstruction and rehabilitation

Segment 2 - Lake Mead Blvd to Carey Ave

Complete widening from six lanes to ten from U.S. 95 (Spaghetti Bowl) to Lake Mead
Reconstruction of on-and off-ramps at Lake Mead Blvd.
Begin widening of I-15 from four and five lanes to eight lanes from Lake Mead Blvd. to Craig Rd.
Continue auxiliary lanes between interchanges from U.S. 95 to Craig Rd.
Reconstruction of the Lake Mead Blvd. interchange
Sound walls on the east side of I-15 just south of Carey overpass
Lighting improvements
Landscaping improvements
Freeway Management System, including: dynamic message signs, ramp meters and closed circuit television cameras
Pavement reconstruction and rehabilitation

Reconstruction of on- and off-ramps at Cheyenne Ave.
Continue auxiliary lanes between interchanges from U.S. 95 to Craig Rd.
Continue widening from four lanes to eight lanes from Lake Mead Blvd. to Craig.
Auxiliary lanes between interchanges from U.S. 95 to Craig Rd.
Sound walls on the east side of I-15 both south and north of the Cheyenne Ave. interchange
Lighting improvements
Landscaping improvements
Freeway Management System, including: dynamic message signs, ramp meters and closed circuit television cameras
Pavement reconstruction and rehabilitation

Reconstruction of on- and off-ramps at Craig Road
Continue widening from four and five lanes to eight lanes from Lake Mead Blvd. to Craig Rd.
Lighting improvements
Landscaping improvements
Freeway Management System, including: dynamic message signs, ramp meters and closed circuit television cameras
Pavement reconstruction and rehabilitation