The Transportation Technical Manual (TTM) contains information for designing and submitting transportation plans for subdivision and site development projects to be constructed in unincorporated Hillsborough County. There are two versions of our TTM depending on when you submitted your project. Any information provided by you to Hillsborough County is public information subject to public inspection, as required by law, and is non-confidential.
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The manuals
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Transportation Technical Manual - October 2021
- For projects submitted on or after November 8, 2021 or that opt to comply
- Drawings (Will be available the week of November 8, 2021)
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Transportation Technical Manual - October 2017
- For projects submitted on or after October 2, 2017 or that opt to comply
- Drawings (Click on the October 2017 tab below)
The drawings
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Drawings are available in three different formats:
- PDF - Adobe Acrobat
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DWG - AutoCAD
- Needs AutoCAD installed to download
- DGN - MicroStation
- Needs MicroStation installed to download
- Available for 2021 files only
DWG and DGN File Downloads
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