ABQ RIDE has information and schedules of the many city bus routes intersecting the UNM campus, including #50 Airport/Downtown, #66 Central Avenue, #11 Lomas Blvd, #16/18 Broadway/University/Gibson, and #92 Taylor Ranch Express.
Rapid Ride (express bus routes)
New Mexico Rail Runner Express
The Rail Runner provides commuter train service from Belen to Santa Fe with a stop in downtown Albuquerque at the Alvarado Transportation Center. From the Alvarado, catch the free UNM shuttle, the Central Avenue bus or the Rapid Ride Red Line bus to UNM.
Biking
See the "Transportation & Travel" webpage from UNM Conference Services.