Spill control and crash scene cleanup: what crews carry and when to call specialists

What spill kits handle, who may use them and when hazmat crews must take over

Safety Behind the Wheel Foundation built this guide from Federal Highway Administration (FHWA) traffic incident management guidance, National Highway Traffic Safety Administration (NHTSA) electric vehicle guidance, AAA Foundation for Traffic Safety research, federal hazardous materials and worker safety rules and published studies. Every source is listed at the end.

Why crash scene cleanup is a safety job

A collision does not end when the vehicles stop moving. Fluid, broken glass and plastic stay on the pavement. Lanes stay closed or narrowed until the mess is gone, and traffic backs up behind them.

The Federal Highway Administration (FHWA) describes traffic incident management, or TIM, as a planned process that several groups share. Its job is to spot incidents, send help and clear the road so traffic can move again safely and quickly [1]. FHWA also says incidents raise the chance of secondary crashes, which are collisions set off by an earlier one. Those incidents threaten responders as well as the public [1]. Cleanup is the last step before lanes reopen, so it belongs to that safety goal.

The crews doing this work stand close to moving traffic. An FHWA report notes that 10 officers were killed at incident scenes between 2000 and 2010 [2]. Six of those scenes began as minor, routine incidents [2]. A small spill is never “just” a small spill when people work beside live lanes.

This guide explains the equipment used to control fluid spills and clear debris after a collision. It is written for residents, parents, school board members, small employers and local officials who want to understand the gear and ask good questions. Warning lights, cones, barriers and rescue tools are covered in separate guides.

What spill control and cleanup equipment is

Spill control gear helps crews do three things: stop a liquid from spreading, soak it up and collect what is left. Most of it relies on a sorbent, which is a material that soaks up liquid. Other gear is for debris such as glass, plastic and torn metal.

FHWA notes that some local agencies send a dedicated incident response vehicle to serious incidents on busy streets. Such a vehicle may carry absorbent for spills and materials for roadway repair, plus cones and warning signs [3]. Fire, tow and road agency vehicles may carry similar items.

Comparison compiled by Safety Behind the Wheel Foundation

Common spill control and cleanup equipment

ItemWhat it doesCommon mistake
Absorbent pads and rollsLie flat and soak up liquid on pavementUsing a type not made for that liquid
Absorbent socks or boomsTube shaped barriers that ring a spill and slow its spreadLeaving gaps at the ends or low spots
Loose granular absorbentCovers a wide spill, then is swept upLeaving a thin slick behind
Drain covers or matsSeal a storm drain inlet so liquid cannot enterPlacing them after the liquid has already flowed in
Leak stopping aids (plugs, patches, putty)Slow a leak from a tank or containerUse by untrained people or on unknown liquids
Hand tools (brooms, shovels, scoops, grabbers)Collect debris and used absorbentUsing tools that can spark near fuel
Labeled waste containersHold used absorbent and debris until proper disposalLeaving them open, unlabeled or mixed
Protective gear (gloves, eye protection, boots, high visibility vest)Shields the worker from the liquid and from trafficChoosing gloves the liquid can eat through

Check the maker’s label for the liquids each product is made to handle. Some products soak up only oil. Others handle water based liquids too, and some are made for harsh chemicals. The wrong choice can leave a spill spreading while the crew thinks it is controlled.

Who uses it and who is in charge

Many groups share this work. FHWA says firefighters, medics, police, tow operators, public works crews, transportation staff and 911 dispatchers all work together at traffic incidents [4]. A Kentucky study adds hazardous materials teams to that list [5]. Typical buyers of spill gear are fire departments, EMS agencies, tow companies, road agencies and workplaces with trained response teams.

Local plans decide who leads, so the split differs from place to place. In general, fire or hazardous materials crews take charge of the liquid. Road agency and tow crews handle debris and vehicles. Your fire department can tell you how your area divides the work.

The people at the road edge face real danger. In Kentucky, 29 incident management workers died on duty from 2005 to 2015, and 21% of them worked in towing [5]. National data in that study showed tow operators face a higher risk of work death than fire or police workers [5]. A separate review of 106 serious or fatal tow operator cases found that struck by and caught in or caught between events made up about 9 in 10 of them [6]. A 2026 AAA Foundation pilot with roadside service technicians logged 18 near misses across more than 22,000 service calls [7].

Routine fluids versus hazardous materials

Most spills after a collision are everyday vehicle fluids: engine oil, coolant, transmission and brake fluid, washer fluid and fuel. Trained crews can often handle a small leak of these with the items above. Fuel still gets extra care because it burns.

Other releases are not routine. A hazardous material is a substance that can harm people, property or the environment. Trucks that carry these loads must have emergency response information with them. Federal rules say it must cover health hazards, fire and explosion risks, first steps for a leak and first aid. Carriers must keep it with the shipping papers where the crew can reach it [8]. That is why responders ask for the papers, and why nobody should guess what a load holds.

Tanker wrecks show the stakes. A study of 708 hazardous materials tanker accidents in China from 2004 to 2011 found a spill in about 78% of them, and about 62% of those spills were large [9]. The data are not from the United States. They still show how often a tanker crash releases cargo.

Comparison compiled by Safety Behind the Wheel Foundation

Signs that a spill needs specialists

What you seeWhy it mattersWhat to do
Diamond shaped sign (placard) on a truckThe load may be hazardousStay far back and call 911. Tell the dispatcher any sign or number you can read safely
Unknown liquid, powder or strong smellNobody can judge the hazard by lookingMove away, keep others back, report it
Liquid flowing toward a drain or streamThe harm can spread beyond the roadTell 911 so crews can block its path
Smoke, hissing or fire from a vehicleFire and toxic fumes are possibleMove well away and call 911
Small drip of oil or coolant, no injuries, no fireSlick pavementReport it so a trained crew can clean it

Training: who may do what

OSHA’s rule for hazardous waste operations and emergency response, known as HAZWOPER, sorts responders to hazardous substance releases into five levels [10]. The levels matter for equipment because they set what each person may do with it.

Comparison compiled by Safety Behind the Wheel Foundation

HAZWOPER training levels for responders

LevelWhat the person doesTraining named in the rule
AwarenessSpots a release and notifies the proper authoritiesTrained to start the response by calling for help
OperationsResponds defensively: works from a safe distance to hold a release in place, limit its spread and prevent exposureAt least 8 hours, or experience that shows competency [10]
TechnicianMoves in close to the leak to seal it or stop it by other meansAt least 24 hours [10]
SpecialistSupports technicians, knows specific substances well and acts as liaison with agenciesAt least 24 hours [10]
Incident commanderTakes command of the scene when it goes beyond an awareness level responseAt least 24 hours [10]

In practice, socks, drain covers and absorbent pads are defensive tools. Sealing a leak at its source belongs to technicians. The rule also calls for yearly refresher training, or a yearly showing of competency [10].

Which version of these rules applies to a given crew depends on its employer and state. An agency or employer safety officer can explain it.

Electric vehicle collisions: why they need specialists

The National Highway Traffic Safety Administration (NHTSA) advises treating a damaged electric vehicle’s high voltage battery and its parts as live and holding a full charge [11]. Safety Behind the Wheel Foundation gives the public the same advice. Damage can set off a fire or let toxic or flammable gases escape, right away or later [11]. That risk is different from a fluid spill. A pad or sock does nothing about it.

Fire adds a second problem: runoff, the water that flows away from the scene. Battery cells are shielded and hard to reach, so firefighters may need to keep applying water or other agents for a long time [12]. In large scale fire tests, the water collected afterward was highly toxic to the aquatic species tested, and several metals and ions topped surface water guideline values [12]. Water from the electric vehicle and battery pack tests held more nickel, cobalt, lithium, manganese and fluoride than water from the conventional vehicle [12].

A 2026 study tracked damaged battery modules for 112 days. Its runoff grew more hazardous over time [13]. The authors say runoff should be contained on site and treated before it can reach sewers or waterways [13]. It was a small case study, so treat it as a warning, not a rule.

For equipment, the lesson is simple. A standard spill kit is not built for this. Electric vehicle collisions call for fire crews and specialist cleanup help. Our guide to what to do with an electric vehicle after a serious crash covers the owner’s side.

Choosing, buying and setting up a kit

Buy through professional channels: emergency equipment suppliers, authorized dealers for fire and rescue gear, industrial safety distributors and the supply contracts your agency or employer already uses. That also makes refills and training easier to get.

Using the equipment: order of work, limits and mistakes

A typical order for trained crews looks like this. Local procedures differ.

  1. Protect the work area and the people first. Traffic control goes up before anyone kneels in a lane.
  2. Size up from a distance. Find what leaked, how much, where it is heading and whether anyone is hurt.
  3. Decide whether the release is routine. If you cannot tell, treat it as hazardous and call for specialists.
  4. Control the spread. Cover drains and ring the spill with socks, working from the downhill side.
  5. Soak up the liquid with the right product, and swap out pads once they are full.
  6. Collect debris and used absorbent into labeled containers with hand tools.
  7. Check the pavement for slick residue, and check nearby drains, ditches and water.
  8. Hand off the scene, restock the kit and write down what was used.

Step 7 matters because federal oil rules count a film or sheen on water, or a discoloration of it, as a harmful discharge [14]. Crews work to stop spills before they reach drains, and reporting duties may apply if one does. State and local rules differ, so ask your state environmental agency.

Common mistakes to avoid:

  • Hosing a spill into a storm drain instead of blocking the drain.
  • Using one product for every liquid.
  • Mixing used absorbent from different spills in one container.
  • Starting cleanup before traffic is controlled.
  • Using the kit for a placarded load or an electric vehicle battery incident.

Upkeep: keep the kit ready

A kit that is wet, torn or half empty fails when it matters. Build upkeep into the routine.

What you can do as a driver, resident or local leader

If you are a driver, slow down and move over where the law asks. Our guide to work zone and move over safety explains how. Do not drive through fluid you cannot identify. Stay far from placarded trucks and damaged electric vehicles. Give 911 the road, direction and nearest mile marker. Never step into a spill to help.

If you are a resident, parent or local official, ask good questions. Who responds to fluid spills on our roads? Which crews hold operations level training? Do road and tow vehicles carry spill kits? Who handles electric vehicle crashes? Where does used material go?

Public agencies, not residents, choose and run this equipment. To request a review, contact your fire chief, public works office or state transportation department. FHWA keeps a list of state contacts for TIM responder training [15]. If you run a small business with a trained response team, follow your written plan.

Frequently asked questions

Can I clean up fluid from my own car after a car accident?

Leave it to trained crews. Fuel can burn, the liquid may not be what you think, and you may be standing in or near traffic. Stay safe, call 911 and tell the dispatcher what you see. After the scene is cleared, ask your tow operator or repair shop about any leaks they find.

What is the difference between oil only and universal absorbents?

Oil only products soak up oil and are made to leave water alone. Universal products handle a wider range of liquids, including water based ones such as coolant. Some products are made for harsh chemicals. Read the maker’s label and safety data sheet before choosing, and never guess when the liquid is unknown.

Why can’t a standard spill kit handle an electric vehicle battery fire?

A kit soaks up liquid. A damaged battery may be energized, may release toxic or flammable gases, and may burn for a long time [11]. Fire runoff can also carry metals and other pollutants [12]. That work needs fire crews and specialists, not pads and socks.

Do tow operators need the same training as firefighters?

The HAZWOPER rule sorts training by what a person does, not by job title [10]. A tow operator who only removes a vehicle has a different role than a responder who contains a release. Researchers have said targeted incident management training for towing should be considered, because tow operators face high risk at the roadside [5].

What should I do if I see liquid on the road after a crash?

Slow down early, avoid driving through it and give other drivers room. Call 911 if no one has reported it. Give the road, direction and nearest mile marker. Do not stop in a travel lane or walk into the road to look closer.

How often should a spill kit be checked?

Check it after every use and on a set schedule, such as monthly. Look for torn bags, damp contents and missing items. Review dates on gear that has them. Pair that with yearly refresher training for the people who use it [10].

The bottom line

Recommendation from Safety Behind the Wheel Foundation

Safety Behind the Wheel Foundation encourages every driver to stay back from spills, report them clearly and leave cleanup to trained crews. Spill control and cleanup gear helps crews reopen a road safely. It works best when it matches the liquids a crew expects, when trained people use it and when upkeep never slips. It also has limits. Placarded loads, unknown substances and electric vehicle batteries need specialist help.

You do not need to own any of this equipment. You can stay back, report hazards clearly and ask your local agencies how they prepare. Those habits protect the crews who clear the road, and the next driver who passes through.

Sources and further reading

  1. 1Federal Highway Administration, Office of Operations. Welcome to Traffic Incident Management (TIM). Updated date not shown on page. ops.fhwa.dot.gov/tim
  2. 2Federal Highway Administration. Making the Business Case for Traffic Incident Management (FHWA-HOP-16-084). Published December 2016. Data year: 2000 to 2010 (officer deaths). ops.fhwa.dot.gov/…/fhwahop16084.pdf
  3. 3Federal Highway Administration. Next-Generation Traffic Incident Management: TIM on Local Roads is a Scalable Proposition (FHWA-HOP-21-036). Published 2021. ops.fhwa.dot.gov/…/EDC-6_Factsheet_TIM_LocalRoads_v2_508.…
  4. 4Federal Highway Administration. Introduction to Traffic Incident Management: Saving Lives, Time, and Money (FHWA-HOP-22-14). Published 2022. ops.fhwa.dot.gov/…/IntroductiontoTIM_v2_508.pdf
  5. 5Bunn TL, Slavova S, Chandler M, et al. Surveillance of traffic incident management-related occupational fatalities in Kentucky, 2005-2016. Traffic Injury Prevention, 2018;19(4):446-453. Data year: 2005 to 2015 (Kentucky deaths). pubmed.ncbi.nlm.nih.gov/29381397
  6. 6Chandler MD, Bunn TL. Motor vehicle towing: An analysis of injuries in a high-risk yet understudied industry. Journal of Safety Research, 2019;71:191-200. Data year: not stated (OSHA investigation files; 106 cases). pubmed.ncbi.nlm.nih.gov/31862030
  7. 7AAA Foundation for Traffic Safety. Piloting a Reporting System for Roadside Safety Incidents. Published July 2026. Data year: 2026 (6-month pilot). aaafoundation.org/…/piloting-a-reporting-system-for-roadsi…
  8. 8Electronic Code of Federal Regulations. 49 CFR 172.602, Emergency response information. Up to date as of October 2, 2026. ecfr.gov/…/section-172.602
  9. 9Shen X, Yan Y, Li X, Xie C, Wang L. Analysis on tank truck accidents involved in road hazardous materials transportation in China. Traffic Injury Prevention, 2014;15(7):762-768. Data year: 2004 to 2011 (China). pubmed.ncbi.nlm.nih.gov/24380669
  10. 10Electronic Code of Federal Regulations. 29 CFR 1910.120, Hazardous waste operations and emergency response. Up to date as of October 2, 2026. ecfr.gov/…/section-1910.120
  11. 11National Highway Traffic Safety Administration. Electric and Hybrid Vehicles: Battery, Charging & Safety. Updated date not shown on page. nhtsa.gov/…/electric-and-hybrid-vehicles
  12. 12Quant M, Willstrand O, Mallin T, Hynynen J. Ecotoxicity Evaluation of Fire-Extinguishing Water from Large-Scale Battery and Battery Electric Vehicle Fire Tests. Environmental Science & Technology, 2023;57(12):4821-4830. Data year: not stated (fire tests, published 2023). pubmed.ncbi.nlm.nih.gov/36913186
  13. 13Pokorna-Krayzelova L, Kujalova H, Tajnaiova L, et al. Long-term leaching dynamics and ecotoxicity of wastewater from electric vehicle lithium-ion battery fires. Water Research, 2026;307:126751. Data year: 2026 (112-day case study). pubmed.ncbi.nlm.nih.gov/42632127
  14. 14Electronic Code of Federal Regulations. 40 CFR 110.3, Discharge of oil in such quantities as ‘may be harmful’ pursuant to section 311(b)(4) of the Act. Up to date as of October 2, 2026. ecfr.gov/…/section-110.3
  15. 15Federal Highway Administration. National Traffic Incident Management (TIM) Responder Training Program: State Point of Contact List. Last updated February 8, 2022. ops.fhwa.dot.gov/…/tim_trng_state_poc_list_031522.pdf

This article reflects the safety priorities of roadway incident response and protecting the crews who clear the road. It is general education, not legal, medical or environmental compliance advice. Rules, equipment and training differ by agency and state, so verify details with official sources. For your own situation, contact your local fire department or hazardous materials team, your state transportation department, your state environmental agency or your employer's safety officer. Reviewed October 2026.

Cite this article: Safety Behind the Wheel Foundation. “Spill control and crash scene cleanup: what crews carry and when to call specialists.” drivewithcare.org, https://drivewithcare.org/spill-control-crash-scene-cleanup-equipment/. Reviewed October 2026.

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