The Northern Arizona Intergovernmental Public Transportation Authority (NAIPTA) is the transit agency in northern Arizona operating the Mountain Line, Mountain Lift and Mountain Link systems in Flagstaff. NAIPTA also coordinates services with Campus Shuttle Service at Northern Arizona University.


  • Mountain Line fixed route bus service on eight routes
  • Mountain Link high frequency service between NAU campus, downtown Flagstaff and Woodlands Village
  • Mountain Lift paratransit service and taxi voucher programs
  • Vanpool service for commuters traveling to/from outside of Flagstaff


  • Erika Mazza, CEO & General Manager
  • Jamie Whelan, Flagstaff City Council – Board Chair


  • $7 million – FY2019 Bus Operating Budget
  • $970,000 – FY2019 Paratransit Operating Budget


  • 2,440,622….Mountain Line & Mountain Link riders (FY2018)
  • 23,296……..Mountain Lift trips (FY2018)
  • 5,896……….Taxi Voucher Program Rides (FY2018)


  • 29 buses (100 percent hybrid-electric, including six 60-foot articulated buses)
    8 paratransit vans


  • 168 Bus Stops (including 10 shared stops with Northern AZ University)
  • 78 Bus Shelters (including 10 shared shelters with Northern AZ University)
  • 2 Connection Centers (Downtown Flagstaff and Flagstaff Mall)
  • 1 Main Office and 8 off-site pass sales locations
  • 3 maintenance shops, Bus Storage Facility, Automated Bus Wash


  • 100 Full- and Part-Time Employees

Twitter: @FLGMountainLine Facebook: www.facebook.com/FLGMountainLine

Click to download NAIPTA Fact Sheet.pdf version