This indicator is determined by computing the number of hours between the values reported in the NTD for the average-weekday time service begins and the time service ends. For transit agencies with more than one mode, the system total span of service takes into account the hours of operation for all modes and reports the span of hours that any transit service is provided on a typical weekday.

• Fixed-Route Transit: A system for transporting multiple people that uses one or more vehicles operating on a prescribed route according to a fixed schedule. This term does not describe fixed-route air travel, ferries, or water taxis.
• Transit: A travel mode in which vehicles (including buses, streetcars, street-running light rail, and commuter rail) pick up and drop off passengers at regular stops/stations.
• Transit Weekday Span of Service: The number of hours that transit service is provided on a representative weekday in the operation of the transit agency.
• Reporting Periods
  • Yearly: Transit data reported for federal fiscal year, from October 1 to September 30.