Las Vegas mayor pushing to widen I-15 between Primm, Barstow Las Vegas Review-Journal » Las Vegas Mayor Carolyn Goodman is still carrying a torch for plans to widen Interstate, aiming for the project to cross the finish line by the time Los Angeles hosts the Summer Olympics in 2028. Michelle2017-10-25T10:30:35-08:00October 22nd, 2017|California, Highways, Nevada|