MoDOT Motor Carrier Services accepts applications for oversize overweight loads through our MoDOT Carrier Express online service only.  

Visit www.modot.org/mce to login or to find a link to obtain a Customer ID and password. 

Beginning on March 31, 2025, important administrative rules impacting the movement of oversize and overweight loads in Missouri become effective. Updates to these rules include:

• Reduced barriers for the oversize and specialized hauling transportation industry while preserving a risk averse priority to highway safety;
• Maximized access to off-peak system capacity;
• Relaxed width restriction to allow loads up to but not exceeding sixteen feet (16’) to travel on weekends;
• Increased width threshold for nighttime travel to allow loads up to but not exceeding twelve feet six inches (12’6”) wide;
• Increased length threshold for nighttime travel to allow loads up to but not exceeding one hundred ten feet (110’) in length;
• Increased threshold to require escorts to apply to overlength loads exceeding one hundred ten feet (110’);
• New escort requirement for overlength loads exceeding one hundred twenty-five feet (125’) on all highways.
• Streamlined and simplified holiday restrictions to align with MoDOT contractor work restrictions;
• Redefined outmoded and ambiguous travel way descriptors by eliminating references to “dual lane” and “multilane” highways.
• Authorized the use of roadway geometric modeling software for overlength vehicle route surveys;
• And cleaned up various housekeeping items and codifies existing business requirements into the administrative rule.

EMERGENCY AFTER HOURS CONTACT NUMBER

(573) 291-4517   

UNDER NO CIRCUMSTANCES  will non-emergency permits be available at this number, nor any other motor carrier-related service. 

Authority for an emergency movement may be granted only after confirmation that an emergency exists by an authorized representative of the permittee who shall be required to furnish information on conditions at the location of the emergency and the name of the company to perform the emergency service. 

MoDOT representatives granting authority for an emergency movement may advise the Missouri State Highway Patrol that the move is authorized and furnish information on the vehicle involved, such as: make and license number of hauling units; axle weights; load dimensions; location; routes of travel; and the estimated time of movement.

Permits for return trips will be issued during regular working hours only. Each unit must comply with the permit regulations' limitations for weight and dimensions.