Public education is provided by the Washoe County School District. Reno has many charter schools, which include Academy for Career Education, serving grades 10–12, opened 2002; Alpine Academy Charter High School, serving grades 9–12, opened 2009; Bailey Charter Elementary School, serving grades K-6, opened 2001; Coral Academy of Science, serving grades K-12; Davidson Academy, serving grades 6–12, opened 2006; High Desert Montessori School, serving grades PreK-7, opened 2002; I Can Do Anything Charter School, serving grades 9–12, opened 2000; Rainshadow Community Charter High School, serving grades 9–12, opened 2003; Sierra Nevada Academy Charter School, serving grades PreK-8, opened 1999; and TEAM A (Together Everyone Achieves More Academy), serving grades 9–12, opened 2004. Reno has a few private elementary schools such as Legacy Christian School, Excel Christian School, St. Nicholas Orthodox Academy, Lamplight Christian School, and Nevada Sage Waldorf School as well as private high schools, the largest of which are Bishop Manogue High School and Sage Ridge School. Reno was historically served by the Victory Highway and a branch of the Lincoln Highway. After the formation of the U.S. Numbered Highways system, U.S. Route 40 was routed along 4th Street through downtown Reno, before being replaced by Interstate 80. The primary north–south highway through Reno is U.S. Route 395/Interstate 580. The Regional Transportation Commission of Washoe County (RTC) has a bus system that provides intracity buses, intercity buses to Carson City, and an on-demand shuttle service for disabled persons. The system has its main terminal on 4th Street in downtown Reno and secondary terminals in Sparks and at Meadowood Mall in south Reno. Numerous shuttle and excursion services are offered connecting the Reno–Tahoe International Airport to various destinations:  Greyhound stops at a downtown terminal. Megabus stopped at the Silver Legacy Reno, but has since discontinued service to Reno. Reno was historically a stopover along the First Transcontinental Railroad; the modern Overland Route continues to run through Reno. Reno was additionally the southern terminus of the Nevada–California–Oregon Railway (NCO) and the northern terminus of the Virginia and Truckee Railroad. Using the NCO depot and right of way, the Western Pacific Railroad also provided rail service to Reno. In the early 20th century, Reno also had a modest streetcar system.