Summary
The Chicago Transit Authority (CTA) is soliciting proposals for the overhaul of up to 500 of its 1000-Series New Flyer 40-foot diesel buses under Specification # C25FI103228093, the largest bus overhaul project in the agency's history. Each bus will receive rebuilt engines, transmissions, suspensions, heating and air-conditioning systems, and other major component renewals as part of a multi-year mid-life overhaul program, with vendor work expected to extend into following years. Proposals are submitted electronically through CTA's Bonfire procurement portal, and the solicitation has undergone multiple time extensions, with the current response deadline set for June 24, 2026.