RFP: Operation of Fixed-Route and Paratransit Services

Location: Pima County, Ariz.

Deadline: Jan. 7, 2022 at 12:00 p.m. (local time)

The Regional Transportation Authority (RTA) of Pima County seeks proposals from firms qualified and experienced in operating paratransit and small bus operations, either singly or through a joint venture with others to provide Sun Shuttle fixed-route and Sun Shuttle Dial-a-Ride services in Pima County, Ariz. Proposal package documents may be inspected and obtained by prospective bidders by contacting the RTA or may also be accessed through the RTA website at www.rtamobility.com.

All proposals will be due by 12:00 p.m. local time on Friday, Jan. 7, 2022.

Questions and/or requests for clarification during the solicitation phase of this project shall be submitted to the RTA in writing by email to the attention of Rob Samuelsen, RTA Chief Procurement Officer, at rsamuelsen@rtamobility.com. Questions will be accepted until 2:00 p.m. (local time) on Friday, Dec. 10, 2021. Proposers are encouraged to submit their questions as early as possible to allow the RTA adequate time to prepare accurate and comprehensive responses. No telephone calls or questions submitted through any other means will be responded to. RTA’s written response to questions and requests for clarification shall be posted at www.rtamobility.com no later than Friday, Dec. 16, 2021. It is the responsibility of potential candidates to monitor the web postings to ensure they have all up-to-date information on the proposal requirements.

The RTA operates its programs without regard to race, color and national origin in compliance with Title VI of the Civil Rights Act.

If you need translation assistance, please call (520) 792-1093 and ask for Nathan Barrett. Si necesita ayuda con traducción, llame por favor al (520) 792-1093 y comuníquese con Nathan Barrett.


The Community Transportation Association of America (CTAA) and its members believe that mobility is a basic human right. From work and education to life-sustaining health care and human services programs to shopping and visiting with family and friends, mobility directly impacts quality of life.