A more mobile Las Vegas could cost $12 billion plus

LAS VEGAS — Those trademark Las Vegas lights may one day woosh by windows of a light rail train ferrying visitors from the airport to casino lobbies. Local transportation leaders are floating a 30-year-plan that could cost more than $12 billion involving everything from wider sidewalks and more pedestrian bridges crisscrossing the Las Vegas Strip to extra monorail stops and planning for a light rail route linking the airport to downtown. It’s Sin City’s gamble to keep travelers