Service also includes Parcher Avenue and Spring Street / Van Buren Street area. The route operates with 40-minute frequency on weekdays and weekends. Route 921 operates as a loop through the Town of Herndon, connecting Herndon downtown and historical areas to the Herndon Metrorail Station. The route operates all-day service with 30-minute frequency during weekday rush hour and 60-minute frequency during weekday non rush hour and weekends. The route significantly reduces travel time between these areas, while providing access from residential areas to employment centers. Route 901 provides connectivity between the Herndon, Centreville, and Chantilly areas. New connectivity and improved travel time Connection with Route 605 to Reston is now maintained by way of a transfer point at Fair Oaks Hospital. Route 615 provides all-day service with 30-minute frequency during weekday rush hour and 45-minute frequency during weekday non rush hour and weekends. More direct connections with Reston now available at Fair Oaks Hospital. Route 615 replaces the section of Route 605 that used to operate between Fair Oaks Hospital and Fair Oaks Mall, via Stringfellow Road and Fair Lakes Parkway. New Routes Provide More Connections and Improved Travel Time