Construction on the latest project begins Nov. 30 in the south end of the valley, where the Nevada Department of Transportation will build a $33.7 million freeway interchange for Interstate 15 at Starr Avenue. The interchange is aimed at easing traffic congestion in Henderson by filling a missing link in Starr between Las Vegas Boulevard and Dean Martin Drive. Starr Avenue will run six lanes with landscaped medians, bicycle lanes and sidewalks. The interchange is set to open by late next year.