If you plan to cruise through the home of Babe Ruth, Cal Ripkin Jr. and Frank “Home Run” Baker with an oversized load, you need to secure a Maryland oversize permit. And working with The Permit Company is a guaranteed home run.
At The Permit Company, we help you obtain oversize and overweight truck permits by working directly with state and local agencies on your behalf. If you have any questions about moving oversized loads through Maryland or securing a permit, we have the answers.
1. How long are oversize permits valid for in Maryland?
Single trip permits are valid for five travel days. Saturday and Sunday are excluded from these five days.
2. What are the legal dimensions for loads in Maryland?
The legal limits in Maryland are as follows:
Gross weight: 80,000 lbs. on designated highways, 73,000 on all other roads
Width: 8’6” on all roads
Height: 13’6” on all roads
Length: 40′ for single units and buses on all roads; 53′ for semi-trailers* on designated highways, 48′ on all other roads; 28′ for twins and doubles on designated highways (not allowed on all other roads); 65′ for auto/boat transporters on all roads; Rocky Mountain doubles, turnpike doubles and triples not allowed on any roads; and 97′ for saddle mounts on designated highways, 95′ on all other roads.
*Trailers over 48′ shall have a kingpin setting, measured from the kingpin to the center of the rear tandem axles, not to exceed 41′ in length. The kingpin set back measured from the kingpin to the front of the trailer shall not exceed 4′ in length.
3. What are the permit limits for loads in Maryland?
The routine-issue permit limits in Maryland are as follows:
Single: 27,000 lbs.
Tandem: 52,000 lbs.
Tridem: 63,000 lbs.
120,000 lbs. (27,000 lbs. max per axle)
If load exceeds any of these dimensions or weights, refer to the section on superloads.
4. Is continuous travel allowed for oversize permits in Maryland?
Permitted loads not exceeding 12′ wide, 14’6″ high, 90′ long, and 150,000 lbs. may travel 24/7.
If the load is over these dimensions, travel is only allowed from 12:01 a.m. on Monday to noon on Saturday. Sunday travel is not allowed. This includes all portions of I-95 from the Fort McHenry tunnel to the Delaware line. Nighttime movements for Bay Bridge or toll facilities are also not authorized.
Travel is restricted on the following holidays: New Year’s Day, Memorial Day, Independence Day, Labor Day, Thanksgiving and Christmas Day.
5. When are escorts needed in Maryland?
On all highways:
• 1 escort is needed for widths 13′-14′ (except manufactured housing)
• 1 escort is needed for lengths 85′-140′
• 1 escort with height pole is needed for heights of 14’6″ or more (unless route requires escort for lesser height)
• 1 escort is needed for weight 60-65 tons or 120,000-130,000 lbs.
• 1 escort is needed when weather or road conditions justify it
• 1 front and 1 rear escort (2 total) needed for widths 14′-16′, including manufactured housing
• 1 front and 1 rear escort (2 total) needed for lengths 140′ or more
• 1 front and 1 rear escort (2 total) needed when traveling on a road too narrow to allow other vehicles to pass safely in either direction
• 1 front and 1 rear escort (2 total) needed when traveling against traffic that will have to be diverted or stopped
• 1 front and 1 rear escort (2 total) needed when weather or road conditions justify it
State police escorts:
• A state police escort is needed for widths of more than 16′
• A state police escort is needed for weight of more than 65 tons or 130,000 lbs.
• A state police escort is needed if traffic will have to be diverted or stopped, or if the move will affect two or more lanes of traffic on a highway with only one lane in each direction, or as Maryland State Highway Administration requires.
Escorts (private or state police) may be added at any time for safety purposes at the discretion of the Maryland Hauling Permits section. The fee will be $250.
6. What is a superload in Maryland?
A superload is any load 16′ in height, 16′ in width, 120′ in length and 120,000 lbs. For superloads, submit a regular application for an oversize/overweight permit that includes axle weights and spacings. A drawing of the load may be required.
Fee for vehicles weighing more than 120,000 lbs.: $8 per structure up to 200,000 lbs. plus $12 per structure over 200,000 lbs.
Application must be submitted at least five days prior to the proposed move.
Carrier must notify State Police 48 hours in advance of movement if a State Police escort is required. A police escort is required for vehicles over 130,000 lbs. A fee of $250 will be billed for the permit.The state of Maryland requires a Contractual Liability Clause or a Performance Bond for any loads that meet the following scenarios:
- Equal to or greater than: 16′ Wide, 16′ High, 100′ Long
- 120,000-150,000 lbs. for travel on roads other than the interstate*
- 150,000 lbs. or greater for any travel
*A bond is not required for interstate travel if between these weights.