Design Standards Letters

2023

General Letters

Name Letter Date Effective Date Section / Plan Number
G-2023-01 Revision to the Engineering Policy Guide 10/24/2022 1/1/2023 EPG 403.17
       

Standard Plans

Name Letter Date Effective Date Section / Plan Number
P-2023-01 Revised Supplement to the 2022 Missouri Standard Plans for HighwayConstruction 10/24/2022 1/1/2023 606.50, 608.50, 616.10, 806.10, 903.03, 903.07
       

Standard Specifications

Name Letter Date Effective Date Section / Plan Number
S-2023-01 Revised Supplement to the 2022 Standard Specifications 10/21/2022 1/1/2023 102, 104, 617, 703, 712, 806, 1042