accessible, open to the public and no fare

Connecting campus

CAMBUS is the University’s public transit system that provides bus service throughout the campus. Serving students, faculty, staff, visitors, and the community, CAMBUS is a comprehensive transit system providing over 3 million rides per year. The services are accessible, no fare and available to the general public.

For qualifying persons with a disability, CAMBUS also provides a complimentary demand-response service called the Bionic Bus.  Providing over 8,000 annual rides to university students, staff, and faculty, Bionic Bus is an essential service to ensure campus access.  Bionic Bus operates as a paratransit bus service meeting FTA and ADA regulations.

Student operated

CAMBUS was conceived and started by university students in 1972 to increase campus accessibility, particularly between the east and west side of campus.  It has been operated and supervised by students ever since.

Providing professional development and growth to its 160 student employees, as well as providing an essential service to the university community, CAMBUS is a vivid example of the superior abilities and dedication of Iowa students.



3 million +

rides per year


annual hours of service

exclamation point inside of a triangle
There are currently active service alerts for CAMBUS. See active service alerts
cambus side icon

Routes, Schedules & Maps

See a complete list of our routes and schedules.

smart phone icon

Transit App

See upcoming departure times and real-time locations for buses, closest stops to the rider, and much more.

calendar icon

Service Calendar

View of CAMBUS’ services for the current academic year

icon of person with question mark

Rider Guide/FAQ

News for CAMBUS

CAMBUS service alert: 34 Research Park to detour on Thursday, Oct. 7

Due to a bridge inspection, westbound traffic on Holiday Road will be detoured on Thursday, Oct. 7.  During the detour, 34 Research Park will serve stops on 12th Avenue, Holiday Road, and along the Waterford extension on inbound trips (heading towards Newton Road) only. 

CAMBUS temporary service reductions due to driver staff shortage beginning Aug. 30, 2021

UI CAMBUS will be temporarily reducing frequency on some routes beginning Monday, Aug. 30 in response to a driver staff shortage. Routes that will have reduced frequency: 31 Red Route and 32 Blue Route, 35A Interdorm-WCTC, 41 Hawk Lot-Hospital, 51 Hospital-Finkbine/Arena, and 52 Finkbine-Pentacrest.

CAMBUS announces fall 2021 academic service beginning Aug. 21

University of Iowa CAMBUS is announcing service details for the fall 2021 academic session, beginning Saturday, Aug. 21, 2021. During academic sessions, service is increased on some routes, including more late night and weekend services.

Accessible Transportation

All CAMBUS vehicles and services are accessible to persons with disabilities. Buses are equipped with kneelers and wheelchair ramps. To have the bus kneeled or us the wheelchair ramp, please ask the driver. Service animals and respirators are welcome on all vehicles.

Great UI Student Job Opportunities

CAMBUS is, and always has been, student operated. Currently, 170 dedicated UI students operate the on-campus transit service. CAMBUS is designed by and for student employees.

A team of many talents

At CAMBUS, our dedicated team of student employees do more than operate buses to carry out essential transportation services.  They also work behind the scenes in maintaining our fleet.

person wearing mechanics blue shirt standing in front of row of buses with lights on

Out of (the Ordinary) Office: Grease Junkie

Graduate student and former Hawkeye gymnast Brandon Wong isn't afraid of getting his hands dirty while working for CAMBUS.

employee wipes down the dashboard area of a bus

An impressive 500 total clean-up shifts

Driver Charlie Franks and student mechanic Nick Madden were recognized in 2021 for completing a combined 500 clean-up shifts during their careers at CAMBUS.

Contact CAMBUS Office