Sen. Catherine Cortez Masto on Tuesday introduced legislation aiming to improve the safety of students who ride the bus to school. The Safe Bus Routes to School Act — introduced alongside Republican Indiana Sen. Todd Young — would allow federal funds to be used on the planning, design and construction of infrastructure projects for school bus riders. This includes projects to improve sidewalks, traffic calming, pedestrian crossings and bus stop waiting areas, according to the bill. The legislation also includes a provision to use federal money on activities that encourage safe school bus ridership, such as student sessions on school bus safety rules. “Clark County has the largest school bus fleet in the entire country, and 130,000 kids rely on those buses to get from home to school and back again every day,” Cortez Masto, D-Nev., said in a press release. “It’s our responsibility to make sure our students are as safe as possible.…