Delaware vs Maryland Oversize Load Rules
What changes for an oversize load between Delaware and Maryland: legal height, pilot car triggers, height poles and travel hours.
I-95, reviewed October 2026
What changes at the Delaware and Maryland border
- Legal height
- Both states use the same legal height, 13 ft 6 in.
- First pilot car
- Both states require the first pilot car at 13 ft 0 in wide.
- Height pole
- Maryland sets a height-pole trigger at 14 ft 6 in; Delaware does not publish one, so check the permit.
Check one load against both states
Delaware
- Oversize permit required
- No width escort
Maryland
- Oversize permit required
- No width escort
11 ft 0 in wide, 14 ft 0 in tall. Length is not checked here.
Side by side
| Rule | Delaware | Maryland |
|---|---|---|
| Legal width | 8 ft 6 in | 8 ft 6 in |
| Legal height | 13 ft 6 in | 13 ft 6 in |
| Legal length | Single motor vehicle 40 ft; semitrailer 53 ft on Interstate/US routes (60 ft combination limit on other roads, 29 ft trailer in tractor-semitrailer-trailer combination). | Semi-trailers over 48 ft up to 53 ft are allowed on interstates and the Maryland truck route system; indivisible loads over 70 ft need a permit (pilings, poles and mill logs over 75 ft); load extensions max 3 ft front and 6 ft rear. |
| Gross weight | 80,000 lbs | 80,000 lbs |
| First pilot car at | 13 ft 0 in | 13 ft 0 in |
| Second pilot car at | 14 ft 0 in | 14 ft 0 in |
| Height pole at | Not confirmed | 14 ft 6 in |
| Length escort at | 90 ft 0 in | 85 ft 0 in |
| Travel hours | Oversize and overweight loads (Load Codes 1, 2, 4) move sunrise to sunset. Loads up to 75 ft long, 12 ft wide, 14 ft 6 in high and 120,000 lb may be approved for night moves 9 p.m. to 5 a.m. Monday-Friday. Other night moves need special lighting and possibly escorts or State Police. | Loads up to and including 225k GVW, 13 ft 11 in wide, 14 ft 6 in high and 139 ft long may move 24/7. Loads 14 ft wide or more: 9:00 a.m. to 3:30 p.m. on any highway. Superloads (over 150,000 lb): day moves 9:00 a.m.-3:30 p.m., night moves 8:00 p.m.-6:00 a.m. Toll, bridge and tunnel curfews noted on permit. |
| Weekends | Standard oversize and overweight permits allow movement Monday through Sunday, sunrise to sunset; DelDOT may restrict moves case by case. | No weekend ban stated on the SHA page; curfews noted on the permit apply. |
| Trip permit | Fee not confirmed | Fee not confirmed |
| Permit office | DelDOT Hauling Permit Office | 1-800-846-6435 (MDOT State Highway Administration (SHA) Hauling Permit Office) |
Go deeper
- Pilot car detail: Delaware, Maryland
- Full guides: Delaware, Maryland
- Running through both without local plates? Estimate the trip permit cost
- Moving over a holiday? Check holiday restrictions
Delaware and Maryland FAQs
- Do Delaware and Maryland require pilot cars at the same width?
- Both states require the first pilot car at 13 ft 0 in wide.
- Is the legal truck height the same in Delaware and Maryland?
- Both states use the same legal height, 13 ft 6 in.
- Do I need a separate permit for each state between Delaware and Maryland?
- Yes. Oversize and overweight permits are issued by each state, so a move through both needs a permit from DelDOT Hauling Permit Office and one from MDOT State Highway Administration (SHA) Hauling Permit Office, each with its own route, hours and escort conditions.
- Which travel hours apply in Delaware and Maryland?
- Delaware: Oversize and overweight loads (Load Codes 1, 2, 4) move sunrise to sunset. Loads up to 75 ft long, 12 ft wide, 14 ft 6 in high and 120,000 lb may be approved for night moves 9 p.m. to 5 a.m. Monday-Friday. Other night moves need special lighting and possibly escorts or State Police. Maryland: Loads up to and including 225k GVW, 13 ft 11 in wide, 14 ft 6 in high and 139 ft long may move 24/7. Loads 14 ft wide or more: 9:00 a.m. to 3:30 p.m. on any highway. Superloads (over 150,000 lb): day moves 9:00 a.m.-3:30 p.m., night moves 8:00 p.m.-6:00 a.m. Toll, bridge and tunnel curfews noted on permit. The conditions printed on the permit control.
Compiled from each state's published permit rules, reviewed October 2026. Not legal advice; the conditions printed on your permit control.