Driveway access permits and drainage guidelines
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ATTENTION TXDOT CUSTOMERS: Some TxDOT applications and equipment have been impacted by the worldwide CrowdStrike outage. State agencies across Texas are working closely with the Department of Information resources to restore services as quickly as possible. If you are unable to access specific TxDOT information or tools, please check back with us in a few hours. We will update this message once applications and equipment are fully restored.

Driveway access permits and drainage guidelines

New permit application system

On August 21, the Driveway Access Permit (DAP) System is live to submit new driveway access applications. The link is provided below.

The Houston District introduction to DAP session held virtually on Monday, Aug. 21, 2023 was recorded. It can be viewed here.

Houston permits

Guidelines and criteria for drainage related to land development

The following documents contain the recommended guidelines, procedures and criteria to obtain hydraulic permit approval within the Houston District. The documents were prepared to assist land development and site engineers with a general methodology for the hydrologic and hydraulic analysis required within the Houston District. The documents were prepared for typical permit projects and are not comprehensive to be applicable to all sites. If further clarification is required, please contact the Houston District Hydraulic group.

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