2022 Missouri Standard Specifications for Highway Construction

Revisions effective for  April 1, 2023 are incorporated in this book and pertains to projects to be let in the April 2023 bid letting.


The standard specifications book contains material, equipment and construction requirements for times specified in the construction of Missouri's transportation infrastructure. Specifically, the publication provides specifications for the following items:


Section 100  -  General Conditions of the Contract

Section 200   -  Grading and Removals Section

Section 300   -  Bases and Aggregate Surfaces

Section 400   -  Flexible Pavements

Section 500   -  Rigid Pavements

Section 600   -  Incidental Construction

Section 700   -  Structures

Section 800   -  Roadside Development

Section 900   -  Traffic Control Facilities

Section 1000 -  Materials Details


This electronic publication is provided for informational purposes and the convenience of those accessing it only. By providing the standard specifications in this electronic format, the Missouri Highway and Transportation Commission and the Missouri Department of Transportation do no intend to form a contract with any person, nor shall any of the information  may be relied upon by any person as forming a part of any contract. The printed and published contents of the Missouri Standard Specification for Highway Construction - 2022 Edition, as they have been revised by the General Special Provisions or Job Special Provisions of the bidding and contract documents for a particular project shall always control over the information provided in this electronic publication.


Jen Haller

Standards Specialist

Design Division

Missouri Department of Transportation

Jennifer.Haller@modot.mo.gov

573.526.2918