23 C.F.R. § 636.201
What selection procedures and award criteria may be used?
Cite as 23 C.F.R. § 636.201 (2026)
You should consider using two-phase selection procedures for all design-build projects. However, if you do not believe two-phase selection procedures are appropriate for your project (based on the criteria in § 636.202), you may use a single phase selection procedure or the modified-design-build contracting method. The following procedures are available:
Selection procedure
Criteria for using a selection procedure
Award criteria options
(a) Two-Phase Selection Procedures (RFQ followed by RFP)
§ 636.202
Lowest price, Adjusted low-bid (price per quality point), meets criteria/low bid, weighted criteria process, fixed price/best design, best value.
(b) Single Phase (RFP)
Project not meeting the criteria in § 636.202
All of the award criteria in item (a) of this table.
(c) Modified Design-Build (may be one or two phases)
Any project
Lowest price technically acceptable.
- Cross-references to the CFR
- 636.202