The DOTD is in charge of Public Transportation and provides funding to participating parishes through federal transit grant programs.

[6] The DOTD has been active in addressing the increased awareness for effective evacuation plans in the event of hurricanes threatening southeast Louisiana, and the Greater New Orleans area in particular.

These plans were tested and modified following Hurricane Ivan in 2004 as residents of the New Orleans area spent upwards of 18 hours in traffic.

These changes were tested and successful in August 2005 when New Orleans and the surrounding parishes were placed under a mandatory evacuation in advance of Hurricane Katrina.

Mowing of interstate and Louisiana highways are under the jurisdiction of Roadside Development and all road construction and improvements are subject to inspection and approval.

The department adopted a manual that sets guidelines and rules for landscaping, wildflowers, mowing, and spraying herbicides and pesticides.

The DOTD division of "Weights and Standards" is the office responsible for vehicle oversize permits on Louisiana highways.

Dept of Public Safety enforcement officers (DPS) have portable scales and can weigh a vehicle anywhere it is safe.

The DOTD also maintains the Permits Electronic Routing Bridge Analysis (PERBA) that includes a "Trouble Board" of restricted roads throughout the state.