The General Services Administration is procuring updates and proposals for the 2025 Main Bus Program, aimed at existing contractors and prospective offerors. Key requirements include participation in open seasons for submitting new model year updates and proposals, with specific dates for bid periods and industry days outlined for both the spring and fall seasons.
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2026 FALL OPEN SEASON July 14, 2026 In support of the 2025 Main Bus Program, GSA is announcing the FY26 Fall Open Season period for existing contractors to submit New Model Year (NMY) updates to awarded line items and for prospective offerors to provide proposals. Important Dates: Comment Collector opened in GSAFleet.gov: June 2, 2026 Bid Intention Period opened in GSAFleet.gov: June 2, 2026 Comment Collector closes in GSAFleet.gov: June 30, 2026 Bid Intention Period closes in GSAFleet.gov: June 30, 2026 Fall Open Season Industry Day: July 22, 2026 Bid Period opening in GSAFleet.gov: August 3, 2026 Bid Period closing in GSAFleet.gov: August 21, 2026, at 12:00 PM Eastern Time Supplemental Documents due (if applicable): August 21, 2026, at 12:00 PM Eastern Time GSA will hold a virtual Industry Day as stated above to discuss the Open Season process. All interested parties should attend. The Google Meet joining information is as follows: 2026 Fall Open Season Industry Day Wednesday, July 22 · 10:00 – 11:00 AM Eastern Time Google Meet joining information: Video call link: https://meet.google.com/ukp-fpqh-ojx Or dial: (US) +1 442-666-1370 PIN: 611 355 047# More phone numbers: https://tel.meet/ukp-fpqh-ojx?pin=9965853018233 The Government intends to make awards based on initial offers. Offerors are therefore encouraged to submit their best
pricing and terms with their initial proposal. Should you have any
questions regarding the Fall Open Season, please contact the Main Bus Program Contracting Team. New offerors are strongly encouraged to set up a one-on-one session with the Main Bus Program Contracting Team to discuss the solicitation
requirements. --- 2026 SPRING OPEN SEASON Update March 5, 2026 In support of the Main Bus Program, GSA is providing the following updates for the 2026 Spring Open Season:
1) Important Dates: Bid Period Open: March 5, 2026 Bid Period Close: March 20, 2026 at 12:00 PM Eastern Time Supplemental Documents Due (if applicable): March 20, 2026 at 12:00 PM Eastern Time
2) The following
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