Responses to Iowa DOT Research RFPs are accepted until 12 pm CST according to the following schedule:
- RFPs posted March 15 are due on or before May 1.
- RFPs posted July 15 are due on or before September 1.
- RFPs posted November 15 are due on or before January 15.
Proposal guidelines have been developed to help researchers prepare a proposal that will be acceptable for review. Please note the differences between IHRB and SPR proposals when applicable.