Scientific Services Projects

Requests for Proposals

Individuals and companies wishing to provide scientific services to TxDOT should request copies of requests for proposals (RFPs) by submitting a letter of interest (LOI).

There are no upcoming RFPs at this time.

Upcoming Contracts

Periodically, TxDOT's upcoming contracts seeking the services of archeologists, biologists, geologists, historians, or other technical experts to conduct environmental or cultural assessments for transportation projects are posted.

There are no upcoming contracts at this time.