New Hampshire Oversize / Overweight Trucking Permits Rules and Requirement
New Hampshire Oversize permits OR New Hampshire Overweight Permits are required when a vehicle or its load exceeds the state feet legal size or weight limits and needs to travel on public highways. These permits ensure compliance with safety standards and protect road infrastructure.
New Hampshire oversize permits phone number: 630-222-5770
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We specialize in all permit types including New Hampshire Overhang Permits, New Hampshire Single Trip Permits, and New Hampshire Annual Permits, ensuring you’re compliant with all New Hampshire oversize regulations. Based on the latest New Hampshire trip permit requirements, we guide carriers through the New Hampshire oversize permits login process to streamline approvals and keep your loads moving.
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New Hampshire oversize regulations
New Hampshire Legal Dimension Limit
New Hampshire Legal Weight Limit
The maximum allowable gross vehicle weight is up to 80,000 pounds, subject to axle configurations:
Legal Dimensions for Trucking in New Hampshire
Legal Length in New Hampshire
- Semi-trailers up to 53 feet in length are permitted on Interstates and designated highways, with a kingpin-to-rear-axle-center distance of 41 feet.
- On all other roads, trailers must not exceed 48 feet in length.
- Length restrictions do not apply when transporting certain items such as poles, pipes, logs, timber, or steel beams (excluding stretch trailers).
- Width: 8 feet 6 inches
- Height: The tallest allowable height is 14 feet 6 inches
Note: If the gross vehicle weight does not exceed 73,280 pounds, the legal axle limits are 22,400 pounds for a single axle and 36,000 pounds for tandem axles
New Hampshire Routine Limit: New Hampshire Oversize and Overweight Limits
- Length: Permits allow lengths up to 110 feet
- Width: Up to 16 feet wide under routine permit regulations
- Height: Up to 16 feet high with standard permits
Axle weight limits New Hampshire
- Single Axle: Up to 20,000 pounds on designated highways; 22,400 pounds on other roads
- Tandem Axle: Up to 34,000 pounds on designated highways; 36,000 pounds elsewhere
- Tridem Axle: Matches tandem axle limits
Maximum Axle Weights With NM Overweight Permit:
Weight (based on axle configuration and spacing)
Axle Group Weight Limits
- Single Axle: up to 20,000 pounds
- Tandem Axle: up to 50,000 pounds
- Tridem Axle: Typically, 70,000 pounds
- Quad Axles: 85,000 pounds
Bridge Review Triggers:
- Any single axle over 27,500 pounds
- Any tandem axle with an axle exceeding 25,000 pounds
- Any tridem axle with an axle over 22,500 pounds
- Any quad axle with an axle exceeding 20,000 pounds
- 5-axle configurations over 100,000 pounds
- 6-axle setups above 120,000 pounds
- 7-axle combinations exceeding 130,000 pounds
- Combinations with 8 or more axles over 149,999 pounds
New Hampshire oversize permits validity period
To operate legally in New Hampshire, commercial carriers must secure the appropriate permits based on vehicle size, weight, and registration status. Below is a detailed guide to the validity of all key New Hampshire trucking permits, including oversize, overweight, superload, IRP, IFTA, TRP, and temporary trip and fuel permits.
Oversize Permit: Valid for 3 travel days including the issue date. Must move during daylight hours only, Monday through Friday. No weekend or holiday travel is allowed
Overweight Permit: Valid for 3 travel days including the date of issue. Movement allowed any time unless otherwise restricted by specific route conditions
Superload Permit: Validity is determined on a case-by-case basis depending on the size, weight, and travel route. Additional processing and review time is required
International Registration Plan (IRP) Trip Permit: Out-of-state carriers not registered under IRP for New Hampshire must obtain a 72-hour trip permit before entering the state. Valid for 72 hours
International Fuel Tax Agreement (IFTA) Temporary Permit: Carriers operating in New Hampshire on a temporary basis and not registered under IFTA must secure a temporary fuel permit. Valid for 3 days
Operating Time New Hampshire:
Travel is permitted from 30 minutes before sunrise until 30 minutes after sunset, Monday through Friday. Oversize loads are not allowed to move during weekends or on public holidays. Overweight vehicles, however, are not restricted to specific travel times.
Restricted Travel New Hampshire:
Travel through the City of Manchester is restricted between 7:00 AM and 9:00 AM and again from 3:00 PM to 6:00 PM. Toll roads have the same travel requirements as other highways. No travel is allowed on major holidays, and some restrictions also apply on holiday weekends.
Seasonal Load Restrictions: During spring thaw periods, axle weights may be limited to 20,000 pounds or less in total, depending on road conditions.
New Hampshire Escort Requirement
Length:
- One escort vehicle is needed when total length reaches 80 feet.
- For lengths over 100 feet, a State Police escort is generally required (48-hour advance notice may be necessary), unless an exemption is granted.
Overhang
- Overhangs longer than 15 feet require one escort.
- On undivided two-lane roads, two escorts are needed if the overhang exceeds 15 feet and the width is more than 12 feet.
Width
- One escort is required at 12 feet wide.
- Widths greater than 15 feet 1 inch typically need one State Police escort.
- Widths over 18 feet often require two State Police escorts (48-hour notice required); additional escorts may be mandated depending on the route.
Height
- A route survey might be necessary for vehicles taller than 13 feet 6 inches.
- Escorts are generally not required solely due to height.
New Hampshire Banners, Lighting & Flage Requirement
A “Oversize Load” sign must be displayed at the front of the lead vehicle and at the rear of the load or trailer—whichever provides the clearest visibility from behind. Red flags, measuring at least 12 inches square, must be placed at the extremities of the load when it extends more than 4 inches beyond the sides of the trailer. If the rear overhang exceeds 4 feet, one red flag is required at the end of the overhang (if it is less than 2 feet wide); two flags are needed if it is wider than 2 feet. There are no specific lighting requirements for these loads.

New Hampshire Oversize/Overweight Fee structure
New Hampshire offers a variety of vehicle and transportation permits, each with its own fee depending on the type and usage. Below is a breakdown of key permit types and their current associated costs:
- Over-Dimension Only (Single Trip)
Cost: $6.00 - Annual Permit (NH registered carriers)
– Up to 75’ long, 10’6” wide, 13’6” tall, within legal GVW
– Statewide Travel
Cost: $115.00
– 100-Mile Radius (NH-based carriers only)
Cost: $60.00 - Overweight Permit Fees (Vehicle + Load Exceeding Registered Weight)
Weight Range (lbs.)
Up to 50,000
Permit Fee: $5.50
50,001 – 60,000
Permit Fee: $6.50
60,001 – 70,000
Permit Fee: $7.50
70,001 – 80,000
Permit Fee: $8.50
80,001 – 90,000
Permit Fee: $9.50
90,001 – 100,000
Permit Fee: $10.50
Each Additional 10,000 lbs.
Permit Fee: +$2.00
Convenience
By centralizing all the services you need in one place, we make it easier for you to handle oversize permits and transportation logistics.
Time-Saving:
Our streamlined process and experienced team will expedite the permit acquisition, allowing you to focus on other aspects of your project.
Expert Guidance:
Our knowledgeable professionals will guide you through the process, answering any questions and providing valuable insights to ensure a successful transport.
Customized Solutions:
We understand that every project is unique. That's why we tailor our services to your specific needs, ensuring a personalized experience.
Heavyhaul Oversize Trucking Services in New Hampshire
Compare Transport LLC is your go-to choice for the best heavy-haul oversize trucking services across the United States and Canada. As a leading heavy-haul transportation company, we specialize in handling over-dimensional and overweight shipments with precision and expertise.
Our team of experienced heavy haul movers ensures the safe and efficient transportation of your cargo, no matter how challenging the dimensions or weight may be. We pride ourselves on providing top-notch heavy haul trucking services, utilizing state-of-the-art equipment and industry-leading techniques.
With Compare Transport LLC, you can trust that your heavy haul transportation needs are in capable hands. We prioritize customer satisfaction and strive to exceed your expectations with our reliable, timely, and cost-effective services. Experience the excellence of our heavy haul trucking services and let us handle your most demanding transportation requirements. Our Services include Flatbeds Trucking, Lowboy Trucking, Dry Van Trucking, Tractor trailers, Step Deck Trucking, Conestoga Trucking, Reefer Trucking, Intermodal Trucking, Cardo Van Trucking, Heavy Haul Trucking, and Power Only Trucking areas.
Compare Transport LLC is the single STOP for all Oversize / Overweight permits with one easy-to-use application.
Oversize Permits
Overweight Permits
Overhang Permits
Single Trip Permits
Super load Permits
Annual Permits
Frequently Asked Questions
New Hampshire oversize permits can be obtained online through our website comparetransportll.com or by calling us at 630-222-5770
In New Hampshire, vehicles or loads that exceed the legal size and weight limits require an oversize/overweight permit. Standard legal dimensions are 8 feet 6 inches in width, 13 feet 6 inches in height, and 75 feet in overall length. Any vehicle or load exceeding these limits must obtain a special permit.
No, oversize loads in New Hampshire are generally not allowed to travel at night. Travel is typically restricted to daylight hours, from 30 minutes before sunrise to 30 minutes after sunset. However, some loads with certain dimensions may be eligible for extended travel hours upon request.
New Hampshire oversize permits can be obtained online through our website comparetransportll.com or by calling us at 630-222-5770
The cost of an oversize permit in New Hampshire varies depending on the load’s size, weight, and the route taken. Single-trip oversize permits typically start around $36, but prices can vary.
In New Hampshire, a load is considered oversized if it exceeds 8 feet 6 inches in width, 13 feet 6 inches in height, or 75 feet in length. Weight limits are also strictly regulated. Any load beyond these dimensions requires a special permit.
The maximum width allowed without a permit in New Hampshire is 8 feet 6 inches. Anything wider requires an oversize permit.
You can log in to manage your New Hampshire oversize permit through Our website comparetransportll.com
Oversize/overweight permits in New Hampshire are typically valid for single trips and must be obtained in advance. Travel is limited to specific times and may be prohibited during inclement weather or peak traffic hours. Pilot cars and safety equipment may be required for larger loads.
Yes, New Hampshire requires trip permits for out-of-state carriers who are not registered under the International Registration Plan (IRP). If you’re entering the state without IRP credentials, you must obtain a temporary trip permit.
Applications for New Hampshire oversize permits can be submitted online via our website comparetransportll.com or by calling us at 630-222-5770
Overweight permit fees in New Hampshire generally start at $36 for basic single-trip permits, but prices can increase depending on the weight and configuration.
Oversize permits in New Hampshire typically cost between $30 to $60, depending on the load and trip details. For a quick and accurate estimate tailored to your haul, contact Compare Transport LLC at (630) 222-5770.
The phone number for assistance is 630-222-5770.
To get your New Hampshire oversize permits fast and at competitive prices, contact Compare Transport LLC at (630) 222-5770. Their experienced team will handle all permit types across the U.S. and Canada.
The cost of an overweight permit in New Hampshire depends on the weight over the legal limits and the distance traveled. Typically, fees are calculated based on axle weight and mileage.
Yes, you can get New Hampshire oversize permit online by calling us at 630-222-5770.
New Hampshire Oversize Permits for Truck with Permit Cost
New Hampshire Oversize & Overweight Trucking Permits Phone Number: 630-222-5770