Metropolitan Area Commuter System (MACS) is a public transport agency in Fairbanks North Star Borough, Alaska.

MACS is part of the borough's transportation department and is the northernmost local bus network in the United States and continental North America.

[3] The Red and Blue Lines provide loop service around urban Fairbanks in opposing directions, while the other routes connect to more outlying destinations.

[3] Reduced fare rides are offered to youth (ages 6 to 18), individuals with Medicare or Medicaid cards, active duty military servicemembers and their dependents, and those with qualifying disabilities.

[8] Spearheaded by conservative Fairbanks North Star Borough Assembly members Diane Hutchinson and Michael Dukes, the system's cost, estimated at between US $61.71[4] and $76[9] per ride, was cited as justification.