Minnesota Department of Transportation

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Technical Memoranda

MnDOT's Active and Historical Technical Memoranda (TM)

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30 Records (filtered)
Tech MemoSubjectStatusIssue DateExpire Date
22-06-TS-01 Supplemental Specifications to the MnDOT Standard Specifications for Construction, 2020 Edition Active 9/20/2022 7/19/2026
22-05-ENV-01 Tree Clearing Timing Requirement Active 5/31/2022 4/30/2027
22-04-B-02 Use of Plastic Pipe for Storm Sewer and Culverts on Trunk Highways Active 5/06/2022 4/18/2027
22-03-B-01 Bridge Preservation and Improvement Guidelines Active 4/07/2022 6/30/2026
22-02-C-01 Commissioner's Equipment Rental Schedule Active 2/02/2022 12/31/2023
22-01-T-01 MnDOT Provisions for Pavement Marking Operations Active 1/20/2022 1/05/2027
21-06-TS-05 Restricted Crossing U-Turn (RCUT) Design and Implementation Guidance Active 1/04/2022 11/15/2026
21-05-TS-04 Under-Bridge Typical Section Active 12/07/2021 11/01/2026
21-04-B-01 Storm Drain Design Frequency and Catch Basin Spacing Active 10/19/2021 10/11/2026
21-03-TS-03 E-ZPASS Lanes Design and Implementation Guidelines Active 9/28/2021 12/31/2022
21-02-TS-02 MnDOT Standard Specifications for Construction Active 7/26/2021 7/19/2026
20-09-B-03 Use of Atlas 14 Volume 8 Precipitation Frequency Estimates Active 12/16/2020 11/23/2025
20-05-B-01 Reinforced Concrete Pipe Load Tables Active 3/16/2020 2/25/2025
20-06-B-02 Use of Geo-Synthetic Reinforced Soil- Integrated Bridge System (GRS-IBS) Abutments Active 3/09/2020 2/26/2025
20-04-TS-02 Design Guidelines for Locating Wet Ponds with Permanent Water Depths along Freeways and High Speed Highways Active 2/11/2020 2/03/2025
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