Ohio Oversize and Overweight Transportation Regulations

• Ohio Oversize Permits: Valid for five days and must be obtained before entering the state.
• Operating Times:
  • Loads up to 12′ wide: From half an hour before sunrise to half an hour after sunset, including weekends.
  • Loads over 12′ wide: Restricted until 3:00 PM on Fridays, Saturdays, and Sundays, with additional limitations from April 1 to November 30.
  • Overweight-only loads: Can travel continuously if they maintain traffic flow (up to 53′ trailer length).

• Movement Restrictions: Loads over 12 feet wide are prohibited during peak hours (6:30 AM–9:00 AM and 4:30 PM–6:00 PM, Monday–Friday) in many counties. Check Ohio Provisions Form OS-1A for restricted counties.
• Off-route Stops: No off-route stops (fuel, food, etc.) are allowed unless specified on the permit.
• Holiday Restrictions: No travel from noon the weekday before a major holiday until sunrise the following weekday.

• Maximum Width for Continuous Travel: 10 feet.
• Loads over 11′ wide or 112′ long: Require a pilot car and prior authorization.
• Height Limits: 13’6″ (construction season), 14′ otherwise.
• Maximum Weight without Pre-Approval: 90,000 lbs.
• Toll Fees: Approximately ~20 for standard, additional fees for overwidth, overlength, and overweight loads.

Legal Dimensions:

• Width: 8’6″.
• Height: 13’6″.
• Weight: 80,000 lbs gross (single: 20,000 lbs, tandem: 34,000 lbs, tridem: 48,000 lbs).

Routine Permit Limits:

• Width: Up to 14′.
• Height: Up to 14’6″ (special conditions apply for taller loads).
• Weight Limits:
  • Single axle: 29,000 lbs (16′ spacing).
  • Tandem: 46,000–47,000 lbs.
  • Tridem: 60,000 lbs.
  • Quad: 80,000 lbs.

Escort Requirements:

• Length: Over 90′ (1 escort).
• Width:
  • Over 13′: 1 escort.
  • Over 14’6″: 2 escorts.
  • Over 16′: Police escort.
• Height:
  • Over 14’6″: 1 escort.
  • Over 14’10”: 2 escorts.

Safety Markings:

• Signage: “Oversize Load” signs required for loads over 10′ wide, 14’6″ high, or exceeding legal length.
• Flags: Must mark all corners and extremities.
• Night Moves: Requires overhang lighting and headlights.

• Dozers with blades over 12′ wide: Must stay within a 25-mile radius unless using a traffic protector.
• Utility Poles and Steel Pipe: Exempt from length permits, but beams are not.