and its suburbs are served by Sacramento Regional Transit District, which ranks as the eleventh busiest in the United States. Sac RT is a bus and light-rail system, with 274 buses and 76 light-rail vehicles providing service for 58,200 daily passengers. The three light-rail lines (Blue, Gold, & Green) is a system with 54 stations. The Gold Line was extended east as far as the city of Folsom, and more recently the Blue Line was extended south from Meadowview Rd to Cosumnes River College. Sacramento's light rail system goes to the Sacramento Valley Rail Station, Cosumnes River College Station in south Sacramento, and north to Watt/I-80 where I-80 and Business 80 meeting. The light-rail Blue & Gold Lines have 15-minute weekday headways and 30-minute weekday evening and weekend/holiday headways; the Green Line has 30-minute weekday headways and no weekend service. Route 142 is an express bus line to/from downtown to Sacramento International Airport. There are expansion plans to extend the Green Line to the airport and the Blue Line to the City of Roseville through the City of Citrus Heights. Yolobus provides bus service to West Sacramento and Yolo County. Greyhound Lines provides intercity bus service to Portland, Reno, Los Angeles, and San Francisco from its new station along Richards Boulevard. Intercity bus service to San Francisco and Sparks, Nevada is offered by Megabus. Bicycling is an increasingly popular transportation mode in Sacramento, which enjoys a mild climate and flat terrain. Bicycling is especially common in the older neighborhoods of Sacramento's center, such as Alkali Flat, Midtown, McKinley Park, Land Park, and East Sacramento. Many employees who work downtown commute by bicycle from suburban communities on a dedicated bicycle path on the American River Parkway. Sacramento was designated as a Silver Level Bicycle Friendly Community by the League of American Bicyclists in September 2006. The advocacy organization Sacramento Area Bicycle Advocates co-sponsors the Sacramento Area Council of Governments' May is Bike Month campaign. Rideshare companies such as Lime, Bird, and Helbiz have introduced up to 4,000 electric-powered scooters and bikes in Downtown Sacramento for residents to rent as a faster and alternative way to get around the city. Sacramento ranks second worldwide in ride sharable, with ridership totaling 1 million riders in 8 months. There is a commuter bus service from Yolo County on Yolobus, from Solano County on FAST, on two bus lines from Yuba County's Yuba Sutter Transit,