Overweight/Oversize Permits for Connecticut


PERMITS: Connecticut oversize permits are valid for three days.


OPERATING TIME: Daylight only (one-half hour after sunrise to one-half hour before sunset), no weekends or holidays. Weekend travel is not allowed for overweight only loads. No moves 6:30 to 9:00 a.m. or 4:00 to 6:00 p.m. Loads 13’6″ wide or over 14′ high can only travel Tuesday through Thursday, 9:00 a.m. to 4:00 p.m.



  • Single – 22,400 lbs
  • Tandem – 36,000 lbs
  • Tridem – 42,500 lbs
  • 48′ trailer.
  • Note: 53′ semi-trailer is only legal on Interstate and Designated Highways if the distance between the kingpin and the center of the rear axle does not exceed 43′. (Kingpin setting does not matter on a single piece O/D load permit load but the 43’ maximum does apply on a multiple piece load, even when the extra pieces are legal size).
Height13’6″ (Note: CT will not issue a permit for overheight for any kind of a building.)
OverhangMaximum overhang shall not exceed 1/3 the length of the load
NoteYou can be fined $750 if you have a 53′ semi-trailer traveling without a permit and kingpin setting over 43′ if you are traveling empty unless the return trip is shown on your permit!



  • Single – 22,400
  • Tandem – 40,000
  • Tridem – 60,000
Height15′ (Route survey required for height over 14′); 13’6” is the maximum height for any kind of building


Escort/Pilot Car Requirements

Width over 13′ to 15′1 Front (+ poss. 1 Rear)
Width over 15 to 17′2 (Front & Rear)
Width over 8’6 on certain secondary roads2 (Front & Rear)
Width over 11′ on certain secondary 2-lane roads1 Front
Length over 85′ on certain portions of 2-lane and 4-lane highways1 Front
Length over 110′1 Front
Overhang more than 25′ (at point of overhang)1
Height over 16′1 Front w/High Pole


On 4 or More Lane Highways

Rear projection over 25′ beyond trailer1 or more
Width over 13′ to 15′1 Rear
Width over 15′2 (Front & Rear)
Length over 115′1 Rear
Length over 85′1 Rear


On certain portions of 2-lane and 4-lane highways

Overhang more than 25’at point of overhang1
Height over 16′1 Front w/High Pole



“Oversize Load” signs are required on loads over 10′ wide or 13’6″ high. Over 4′ of overhang must be flagged during the day and lighted at night. Flags are required on all corners of the permitted vehicle on any oversize or overweight load, and on widest points of wide loads.



Daylight hours, Monday through Friday, no moves during the peak hours of 6:30-9:00 a.m. and 4:00-6:00 p.m.

Loads 13’6” wide or over 14’ high travel only 9:00 a.m.-4:00 p.m. Tuesday, Wednesday and Thursday only.

Mobile homes 14’ wide travel 9:00 a.m.-4:00 p.m Monday through Friday, mobile homes 14’ wide may travel 9:00 a.m.-4:00 p.m Monday through Friday.

Route 15 – Wilbur Cross Parkway – No commercial vehicles.

I95 travel is restricted to legal gross weight limits and legal axles between the New York State line and New Haven.