Tourists cross Las Vegas Boulevard near the Venetian Hotel and Casino. Pedestrian overpasses have become a popular way of keeping tourists safe and traffic flowing on the Strip, but their expense and footprint make them difficult for all locations. Moving pedestrians along the Strip safely has become a major effort over the years.

Tourists cross Las Vegas Boulevard near the Venetian Hotel and Casino. Pedestrian overpasses have become a popular way of keeping tourists safe and traffic flowing on the Strip, but their expense and footprint make them difficult for all locations. Moving pedestrians along the Strip safely has become a major effort over the years.

Tourists cross Las Vegas Boulevard near the Venetian Hotel and Casino. Pedestrian overpasses have become a popular way of keeping tourists safe and traffic flowing on the Strip, but their expense and footprint make them difficult for all locations. Moving pedestrians along the Strip safely has become a major effort over the years.

Tourists cross Las Vegas Boulevard near the Venetian Hotel and Casino. Pedestrian overpasses have become a popular way of keeping tourists safe and traffic flowing on the Strip, but their expense and footprint make them difficult for all locations. Moving pedestrians along the Strip safely has become a major effort over the years.

The Las Vegas High School Rhythmettes performing on the Las Vegas High School football field in Las Vegas, Nevada.

Tourists cross Las Vegas Boulevard from the Mirage to Harrah's Hotel and Casinos. Pedestrian overpasses have become a popular way of keeping tourists safe and traffic flowing on the Strip, but their expense and footprint make them difficult for all locations. Moving pedestrians along the Strip safely has become a major effort over the years.

Elbert Edwards and his family at the Las Vegas Day train ride in Las Vegas, Nevada. A young boy is shown sleeping here beside his toy truck.