(888) 900 0205Highway and Street Construction Insurance
Highway and street construction insurance covers contractors whose job sites are live traffic corridors. Grading and subgrade prep, aggregate base, asphalt paving and cold milling, concrete paving, curb and gutter, dowel bar retrofit, guardrail and attenuators, signals, signing, pavement markings, and maintenance of traffic. If you run a paver train, a half-lane mill, a TMA truck, or a flagging crew under an MUTCD Part 6 traffic control plan, this is your class. We place this coverage in all 50 states.
Underwriters classify most of this work under NCCI codes 5506, 5507, 5508, and 5509, and the general liability side usually lands on class 99321 or 91589. What follows is the form language, the endorsements that decide claims, and the federal rules that competing pages leave out.
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General Liability for Highway and Street Construction
A commercial general liability policy on the ISO CG 00 01 form pays third party bodily injury and property damage arising out of your operations. On road work, that means the motorist who hits a drop-off at a milled joint, the adjacent property owner whose foundation cracks from compaction, and the buried line your excavator tears out.
Here is where most road contractors are misinformed. The current CG 00 01 04 13 form does not exclude explosion, collapse and underground property damage on its own. XCU coverage is stripped by endorsement, usually CG 21 42 or CG 21 43. Pull your endorsement schedule and look for those numbers before you believe a broker who tells you it is "standard."
Two other provisions matter on a corridor job. The damage to property exclusion, subparagraphs j.(5) and j.(6), removes coverage for the particular part of real property you are working on and for your own defective work. And a single per-project aggregate can be exhausted by one bad job while three others are still open.
Does general liability cover damage to the road I am building? Usually not while you are working on it. The j.(5) and j.(6) exclusions carve out your own work in progress. That exposure belongs on a builder's risk or installation policy, or it comes out of your margin.
Business Owner's Policy (BOP) for Highway and Street Construction
Straight answer: most highway and street construction firms do not qualify for a business owner's policy. BOP eligibility rules were built for small retail, office and light service risks. Heavy civil contractors with paving equipment, an asphalt or aggregate yard, and payroll in the millions usually fall outside them.
What you get instead is a commercial package policy. Property on the ISO CP 00 10 building and personal property form with CP 10 30 special causes of loss, liability on CG 00 01, and inland marine bolted on for equipment. Small striping, signing or flagging outfits with a modest shop sometimes still fit a BOP. Ask, but do not assume.
Can I put my paver on a BOP property form? No. Mobile equipment belongs on a contractor's equipment floater, not on a building and personal property form, and most package forms severely sublimit it.
Commercial Auto Insurance for Highway and Street Construction
Commercial auto on the ISO CA 00 01 form covers liability and physical damage for your licensed fleet. Pickups, service trucks, water trucks, dump trucks, lowboys hauling equipment, and boom trucks. On highway work, the fleet is also the single largest severity driver you own.
The technical issue nobody explains is where the line is drawn between "auto" and "mobile equipment." Both the CGL and the business auto form define graders, scrapers and rollers used for road construction or resurfacing as mobile equipment, which means the GL responds. But equipment designed primarily for road maintenance, snow removal or street cleaning is treated as an auto. And any land vehicle subject to a compulsory or financial responsibility law in the state where it is licensed or principally garaged is an auto, full stop, regardless of what it looks like.
Is my motor grader covered by auto or general liability? Usually general liability, because construction and resurfacing equipment is mobile equipment. If your state requires it to be registered and insured, it flips to auto.
Excess Liability for Highway and Street Construction
Excess liability sits above your general liability, auto, and employers liability and pays after those limits are exhausted. On road work, it is not optional. State DOT and prime contractor specifications routinely require $5,000,000 to $10,000,000 combined, and for interstate or bridge work, the amount goes higher.
Know which product you are buying. A follow form excess mirrors the underlying wording. A standalone umbrella has its own terms and can be broader in places and narrower in others. Read the schedule of underlying insurance, because a policy left off that schedule is a hole.
How much excess do highway contractors usually carry? Most of our DOT accounts sit at $5,000,000 to $10,000,000. The contract usually sets the floor. Your exposure to a multi-vehicle work zone crash sets the real number.
Tools and Equipment Coverage for Highway and Street Construction
A contractor's equipment floater is inland marine coverage for movable machinery. Pavers, mills, rollers, skid steers, compactors, plate tampers, laser levels, saws, generators, and light plants, whether on the job, in the yard, or in transit. Most floaters are non-filed manuscript forms, so wording varies more here than on any other policy you own.
Decide three things before you bind. Scheduled or blanket. Actual cash value or replacement cost. And what the policy does with rented and leased equipment, because a rental agreement makes you responsible for the machine plus the rental company's lost revenue while it is out of service.
Does my equipment floater cover theft from an open jobsite? Usually yes, though many forms cut the limit for unattended equipment left in the open overnight or require visible signs of forced entry on trailers. Read the theft conditions.
Professional Liability Insurance for Highway and Street Construction
Contractors' professional liability covers negligent acts, errors, or omissions in professional services you provide or that others provide for you. The CGL excludes professional services, so this is a separate policy, not an endorsement most carriers will hand you for free.
You need it more often than you think. Design-build and CM/GC delivery, alternative technical concepts submitted at bid, temporary shoring design, means-and-methods engineering, and traffic control plans sealed by a professional engineer all put you in the design chair.
Do I need professional liability if I only bid hard-bid, plans-and-specs work? Often no, but read your contract. Value engineering proposals, shop drawing responsibility, and temporary works design pull you into professional services even on a traditional bid job.
Workers' Comp Insurance for Highway and Street Construction
Workers' compensation pays medical treatment and lost wages for employees injured on the job, on a no-fault basis, and it includes employers' liability for suits that fall outside the comp bargain. Rates follow the class codes: 5506 for paving and repaving, 5507 for subsurface work, 5508 for rock excavation, and 5509 for street or road maintenance.
Two wrinkles specific to this trade. Bridge work over navigable waters can trigger federal Longshore and Harbor Workers coverage, which is a separate endorsement not handled by the state policy. And the Davis-Bacon prevailing wage on federal-aid projects inflates reported payroll, which increases the premium at audit even when headcount is flat.
Are my flaggers covered if I use a staffing service? Depends on the contract and the state. Ask the staffing firm for a certificate and confirm whether an alternate employer endorsement is needed on their policy naming you.
Bonds for Highway and Street Construction
A surety bond guarantees your performance and your payments to subs and suppliers. It is a credit product, not insurance, and if the surety pays a claim, you reimburse them under an indemnity agreement.
On federal work the Miller Act, 40 U.S.C. 3131 through 3134, drives the requirement. FAR 28.102-1 sets the practical threshold at $150,000, above which both a performance bond and a payment bond at 100 percent of contract price are required. Between $35,000 and $150,000 the contracting officer selects alternative payment protections. Nearly every state has a Little Miller Act that mirrors this for state and municipal work.
You also see bid bonds at award and maintenance or warranty bonds that remain open for 1 to 2 years after final acceptance on most DOT contracts.
Why can't I just lien a public road project? You cannot lien public property. The payment bond is the statutory substitute, and the notice and filing deadlines are strict.
Other Coverage Needed for Highway and Street Construction
- Contractors pollution liability. The CGL pollution exclusion is broad. Diesel and hydraulic spills, silt and sediment discharge, contaminated soil hauled off-site, and tack coat or asphalt release into a storm drain all land here. If your project disturbs one acre or more you need NPDES Construction General Permit coverage and a SWPPP, and enforcement follows the permit holder.
- Railroad protective liability. The CGL definition of "insured contract" carves out easement and license agreements for construction within 50 feet of a railroad. Grade crossings and rail overpasses are common on street work. Railroads typically require ISO form CG 00 35 naming the railroad as insured, often at $2,000,000 per occurrence and $6,000,000 aggregate, plus endorsement CG 24 17 on your own CGL. You buy both, the railroad benefits from one.
- Builders risk or installation floater. Roadway and bridge work is horizontal construction, and not every builders risk market writes it. Ask specifically about LEG 3 defect wording, flood and earth movement, and coverage for work in place before acceptance.
- Equipment breakdown. Electrical and mechanical failure on plant equipment, generators and signal systems, which the property form excludes.
- Motor truck cargo. Aggregate, asphalt, precast and materials you haul for others.
- Riggers liability. Property of others in your care while lifting, which the CGL care, custody and control exclusion removes.
- Cyber liability. Bid documents, payroll files and wire fraud on progress payments.
- Employment practices liability. Wage and hour, discrimination and harassment claims from a seasonal, high-turnover workforce.
- Crime and employee dishonesty. Fuel, materials and equipment theft, which floaters often treat differently than outside theft.
- Subcontractor default insurance. An alternative to sub bonding for larger firms with real prequalification processes.
State and Federal Requirements for Highway and Street Construction Contractors
- Workers' compensation. Required for employees in every state except Texas, where private employers may opt out but face tort exposure if they do. North Dakota, Ohio, Washington and Wyoming are monopolistic and require purchase from the state fund. Employee thresholds vary, and construction is frequently the exception that requires coverage from the first employee. Verify with your state agency.
- Commercial auto liability. Financial responsibility minimums apply in all states. Interstate operation of vehicles over 10,001 pounds generally requires a USDOT number and compliance with FMCSA minimum financial responsibility requirements under 49 CFR 387.9. Intrastate construction hauling rules vary.
- Contractor licensing. California requires a Class A General Engineering license from the CSLB for highway, street and road work under B and P Code 7056, with C-31 covering construction zone traffic control, and the license threshold moved to $1,000 effective January 1, 2025. Arizona, Nevada, Utah, Oregon, Louisiana, North Carolina, Virginia, Florida and others license at the state level. Texas, Colorado, Pennsylvania and several others have no state general contractor license, but state DOT prequalification and local permits still apply.
- Bonding. Federal work follows the Miller Act with the FAR $150,000 threshold. State and municipal work follows each state's Little Miller Act. Most state DOTs also require prequalification with financial statements and a bonding capacity letter before you can bid.
- Federal-aid project rules. Traffic control must follow MUTCD Part 6. FHWA rules at 23 CFR 630 Subpart J require a transportation management plan, and Subpart K addresses positive protection and temporary traffic control devices. Note the version mismatch: FHWA references the December 2023 MUTCD, while OSHA at 29 CFR 1926.200 and 1926.201 still references Part 6 of the 2009 edition. Davis-Bacon prevailing wage applies on federal-aid highway projects.
- Safety and environmental. OSHA construction standards apply, including 29 CFR 1926 Subpart P for excavations, Subpart O for motor vehicles and mechanized equipment, and 1926.1153 for respirable crystalline silica, whose Table 1 specifically addresses dowel drilling rigs, walk-behind milling machines and large drivable milling machines. EPA NPDES Construction General Permit coverage is triggered at one acre of disturbance. State one-call statutes govern locate tickets and tolerance zones.
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Highway and Street Construction Insurance: Frequently Asked Questions
How much does highway and street construction insurance cost?
There is no single figure, because a two-truck striping crew and a full paving operation are different risks. The ranges below reflect accounts we place and are for illustration, not a quote. General liability coverage for a small road contractor often ranges from $6,000 to $25,000 per year and scales with revenue. Workers' compensation is the largest line for most firms, frequently 8 to 20 percent of payroll depending on state, class code, and experience modification. Commercial auto typically runs $2,500 to $6,000 per power unit for local operations, and more for heavy haul. Equipment floaters are often priced around 1 to 2.5 percent of insured value. A $5,000,000 excess layer on a clean program typically falls between $12,000 and $40,000. Loss history moves all of it.
What insurance does a state DOT usually require to bid?
Typically, general liability with per-occurrence and aggregate limits set by the contract; commercial auto; workers' compensation and employers' liability; and excess or umbrella at $5,000,000 or more. Add railroad protection for rail-adjacent work and pollution liability for environmentally sensitive corridors. Prequalification usually requires bonding capacity separate from the insurance limits.
Is XCU coverage included or excluded on my policy?
On an unmodified CG 00 01 04 13 it is included. Coverage is removed by CG 21 42 or CG 21 43, so check the endorsement schedule on your declarations rather than the certificate. Primes on underground work often reject a certificate that shows an XCU exclusion.
How does additional insured status actually work on a DOT job?
The owner and the prime are usually added by endorsement, commonly CG 20 10 for ongoing operations and CG 20 37 for completed operations, often with CG 20 01 (primary and noncontributory) and CG 24 04 (waiver of subrogation). The certificate is evidence. The endorsement is the coverage. Ask for copies of both. Our note on what general contractors look for on a certificate is worth ten minutes.
Do I need railroad protective liability for a crossing rebuild?
Almost always, if any work falls within 50 feet of railroad property. The railroad will specify limits and the form, usually CG 00 35, with the railroad as the named insured. Budget it into the bid because it is a project-specific policy with a minimum premium.
Why Choose USA Business Insurance Services
We read policy forms for a living, and on a highway account, that is most of the work. Two proposals at the same premium can treat a utility strike, a registered roller, a rail crossing, or a rented mill completely differently, and the difference is usually one endorsement. We work with multiple carriers, so we compare forms rather than sell one company's package. Send your declarations pages, endorsement schedule, and a sample DOT contract, and we will tell you plainly what responds and what does not.
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