The Bismarck-Mandan MPO (BMMPO) is seeking proposals for services to conduct the combined update of the 2021 Travel Demand Model and Socio-Economic Update (TDMSE) and the 2025-2050 Metropolitan Transportation Plan (MTP). The MTP will consider transportation issues to the year 2050. Proposals must be received by 4:00 pm on Wednesday, March 23, 2022. Late proposals or proposals lacking the required elements will be considered non-responsive. Minority, women-owned, and disadvantaged business enterprises are encouraged to participate. Please review the Request for Proposals for submittal requirements.