Commercial Vehicle Operations News

Size Restrictions and Alternate Routes

Size Restrictions and Alternate Routes

Tunnels - Unauthorized Routes For Loads

Permitted loads WILL NOT be routed through the Baltimore Harbor Tunnel or the Fort McHenry Tunnel. These are unauthorized route for loads. Contact the permit office if assistance is needed [email protected]  or 1-800-543-4564.​

Transporting Hazardous Materials

Code of Maryland Regulations (COMAR) govern the transport of hazardous materials across our toll facilities. Under these regulations, vehicles carrying bottled propane gas in excess of 10 pounds per container (maximum of 10 containers), bulk gasoline, explosives, significant amounts of radioactive materials, and other hazardous materials are prohibited from using the Fort McHenry Tunnel (I-95) or the Baltimore Harbor Tunnel (I-895). Drivers should use the western section of I-695 around tunnels. 

CLOSED- Francis Scott Key Bridge

​CLOSED- Francis Scott Key Bridge- The Key Bridge is CLOSED due to a bridge collapse. Please check your permit and route.  Any permit using this route will need to be rerouted through the Maryland One permit system.  Contact the permit office if assistance is needed [email protected]  or 1-800-543-4564