By trade
Government flagging and traffic control contracts: how the on-call market works
Every hour a crew works in a public road, someone has to control the traffic around it, and most agencies and most contractors would rather buy that from a specialist than staff it. That is the flagging and temporary traffic control market: certified people, arrow boards, message boards, attenuator trucks and channelizing devices, sold by the hour and the day, under contracts that reward whoever can answer the phone at 5 a.m. and have a closure set by 7.
This guide covers the three ways the work is bought, what an on-call contract looks like, how to price hours and device-days, the certification rules by state, traffic control plans, and what wins renewals. It assumes the MUTCD, prequalification and prevailing wage basics from our main guide on how to get government traffic control and pavement marking contracts.
On this page
The short version
- Traffic control is bought as pay items inside construction contracts, as stand-alone on-call contracts with agencies, and as a direct service to prime contractors; a firm needs all three channels to keep crews busy.
- On-call contracts are awarded on a hypothetical schedule of hourly flagger rates, device-days and setup charges, with a response time in hours and a not-to-exceed value renewed annually.
- Flagger certification is state-specific: two-year cards in Colorado and Nebraska, three-year in Idaho, Montana and Wyoming, no state mandate in Pennsylvania, Michigan or Wisconsin; supervisor certifications run four to five years.
- Flaggers and traffic control laborers are named classifications in federal-aid wage determinations, so the hourly rate you bid must be built on the prevailing rate, fringe and certified payroll.
- What wins renewals is response time met, closures set to the plan without agency correction, and no incidents; price is rarely why an incumbent loses.
Three ways the work is bought
- Pay items inside a construction contract. Maintenance of traffic as a lump sum, flagger hours, arrow board and message board days, truck-mounted attenuator days, drum and barricade days, temporary pavement marking. The prime carries these and usually subcontracts them. Your customer is the paving, utility or bridge prime, and your bid is a quote to them before the letting. See how to get government paving contracts and how to get government excavation and underground utility contracts.
- On-call and standby contracts with agencies. A DOT district, city or county buys traffic control for its own maintenance crews, emergency response, special events and utility work, on unit rates with a response time. Awarded by low bid on a hypothetical quantity schedule or by a scored evaluation of rates, inventory and response capability. See IDIQ contract and Not-to-exceed (NTE).
- Direct service to primes and utilities. Private-side flagging for gas, electric and telecom crews, and rentals to contractors who do not carry the equipment. Not public procurement, but it fills the calendar between public calls.
The public on-call contract is the one that changes a flagging business, because it produces work at short notice for years, and because holding it makes you the obvious subcontractor for every prime working in that agency's roads.
What an on-call traffic control contract looks like
Agencies write these on a unit-rate schedule that mirrors their standard specification pay items. A representative schedule:
| Item | Unit | Pricing notes |
|---|---|---|
| Certified flagger, regular hours | Hour | Built on the prevailing wage rate plus fringe, burden, supervision and margin; minimum call-out of four hours is common |
| Certified flagger, overtime, night, weekend, holiday | Hour | Separate lines; night work premiums are real cost |
| Traffic control supervisor | Hour or day | Required on state projects in many states; certified under the state's program |
| Lane closure setup and removal | Each | Truck, crew and device placement; the item that pays for the 5 a.m. start |
| Arrow board, changeable message sign | Day | Equipment inventory limits how many closures you can hold at once |
| Truck-mounted attenuator with driver | Hour or day | Required on many freeway closures; expensive to own, scarce to rent |
| Drums, cones, barricades, signs | Device-day | Loss and damage terms matter; ask who pays for a struck drum |
| Traffic control plan preparation | Each | Where the agency wants site-specific plans rather than typical applications |
| Emergency response within the stated time | Each or hour | Premium line; the response-time commitment is a contract term, not a preference |
The buyer applies estimated quantities to produce a comparison total. Because any line can be ordered in any quantity, price every line at real cost plus margin rather than loading the ones you expect. Contracts run one year with renewals, carry a not-to-exceed value, and are bonded to that value or per order. See Unit price contract.
Pricing hours and device-days
The flagger hour is the item that decides most on-call awards, and it has to be built from the bottom.
- Base wage. On federal-aid and most state-funded road work the flagger classification in the wage determination sets the floor, with a fringe amount paid in benefits or cash. See Prevailing wage and Davis-Bacon for contractors and Davis-Bacon Act.
- Burden. Payroll taxes, workers' compensation at the traffic control classification rate, which is high, and general liability with auto coverage that satisfies the agency's limits.
- Non-billable time. Travel to a site that cancels, the four-hour minimum that the customer disputes, training days for certification renewals, and the standby crew you keep for the response-time commitment.
- Supervision and equipment. A supervisor across several closures, a truck per crew, radios, paddles, PPE, and the devices on a device-day basis with a loss reserve.
- Margin. Applied last, and lower than you would like, because the hour is what the buyer compares.
Contractors lose money on flagging when they price the hour from the private-work rate, when they miss the night and overtime lines, when their four-hour minimum is not in the contract, and when device loss on a highway is on their account. Get all four into the bid or the questions period. See how much does it cost to bid on a government contract?.
Certification rules by state
The certified person is the product, so certification is checked before rates are read. ATSSA's flagger, Traffic Control Technician and Traffic Control Supervisor courses are the common standard and are accepted by DOTs across the country, but the requirement and the card life are set by each state.
| State | Requirement | Card life |
|---|---|---|
| Colorado | Flagger certification required; traffic control supervisor certified by an authorized entity and holding a current flagger card (CDOT 630.11) | Flagger 2 years |
| Idaho | Certification required for flaggers and traffic control supervisors | Flagger 3 years |
| Montana, Wyoming | Flagger certification required | 3 years |
| Nebraska, Vermont | Flagger certification required | 2 years |
| Minnesota | Traffic control supervisor required on state projects under Special Provision 2563; MnDOT two-day course at $300 or ATSSA's Minnesota-specific course | Supervisor 5 years |
| Utah | Traffic Control Technician state-specific course with 80 percent pass mark and 2,000 hours of experience for supervisor roles | Per UDOT |
| Pennsylvania, Michigan, Wisconsin, Iowa, Kansas, Missouri and others | No state mandate for flagger certification; agencies and primes frequently require it by contract | Per contract |
ATSSA technician and supervisor certifications run four years, and in some state programs ATSSA flagger cards expire on December 31 of the year following training. Check the current requirement with the DOT before you bid, keep a roster with expiration dates, and put renewals on the same calendar as the bid season. A crew whose cards lapse in June is a crew you cannot bill in July.
Traffic control plans and the standard the agency inspects to
Every closure is set to a plan, either a typical application from the MUTCD Part 6 and the state's supplement or a site-specific drawing the agency approves. On-call contracts increasingly ask the contractor to prepare the plan, which means someone on staff who can read the DOT's standard drawings, size tapers and buffers to the posted speed, and get the drawing approved before the closure date.
The agency's inspector checks the set closure against the plan and the state's temporary traffic control standard, not the national manual alone. Device spacing, sign sequence, flagger station placement, arrow board mode and attenuator positioning are the items written up. A closure corrected by the inspector is a mark against the renewal; a closure involved in an incident can end the contract. This is the part of the business that certification courses teach and that experience makes reliable.
What wins the renewal
Price gets you the first year. Four things get you the next five: the response time met every time it was called, closures set to plan without correction, no incidents and no device losses disputed, and invoices that match the work order and the agency's pay items so they are approved without a call. Agencies renew on-call contracts by exception; the incumbent who does those four things is rarely rebid.
The agencies buying this work are every DOT district, city, county and authority in your radius, and their on-call contracts are advertised on their own schedules for a few weeks at a time. We find them, read every page of the rate schedule, certification requirements and wage determination, and write the response; you price the hour and sign. Book a call and we will show you which contracts are open right now.
Common questions
Can a small flagging company win a DOT on-call contract?
Yes, if it can meet the response time with the inventory the contract requires and its people hold the certifications the state mandates. DOT districts often award several on-call contracts at once and rotate calls, and cities and counties buy at a scale a two-crew company can serve. Bonding is modest because the contract is bonded to an annual estimate or per order.
What hourly rate should I bid for a flagger?
Whatever the wage determination's flagger rate plus fringe, burden, supervision, non-billable time and margin produces, cross-checked against the last tabulation the agency published. Rates vary by state and by whether the work is prevailing wage, so check the current figure with the buyer and its most recent award rather than a regional average.
Do flaggers need certification if the state does not require it?
Often yes by contract. States such as Pennsylvania, Michigan and Wisconsin do not mandate it, but DOT specifications, municipal contracts and prime contractors there routinely require a recognized flagger card anyway. Certify everyone; it is inexpensive relative to a disqualified bid or a crew sent home from a site.
Who pays when a drum or arrow board is destroyed by traffic?
Whoever the contract says. Many on-call schedules make device loss the contractor's cost inside the device-day rate; others pay replacement at a stated price. On freeway work the difference is material. Ask during the question period and price the answer.
Is night and weekend flagging priced differently?
It should be, on separate schedule lines, because wage determinations and your own payroll carry shift and overtime premiums and because night closures need more devices and lighting. A schedule with a single flagger hour line is one where the buyer expects you to blend it; ask whether night work is anticipated before you do.
Sources
- ATSSA, State training and certification requirements
- MnDOT, Traffic Control Supervisor certification (Special Provision 2563)
- CDOT, Traffic Control Supervisor program (specification 630.11)
- Utah LTAP, ATSSA Traffic Control Technician course and UDOT requirements
- FHWA, MUTCD 11th Edition
- 23 U.S.C. 113, Prevailing wage on federal-aid highway projects
- SAM.gov, Wage determinations