High visibility work apparel and lighted equipment: how roadside crews get seen
What the rules require, how to read labels and when to replace worn gear
Safety Behind the Wheel Foundation built this guide from the Federal Highway Administration’s Manual on Uniform Traffic Control Devices (MUTCD), Occupational Safety and Health Administration (OSHA) rules, National Institute for Occupational Safety and Health (NIOSH) data and published night visibility research. Every source is listed at the end.
Why being seen comes first
Picture a worker on foot beside a live lane. A driver has only seconds to spot the person, judge the gap and react. High visibility apparel is built to shorten the spotting step. Safety professionals call this conspicuity, meaning how strongly a person stands out from the background and holds a driver’s attention. Researchers add a useful point: a worker must be recognized as a person, not just detected as an object [5].
The need is real. NIOSH reports about 96,000 work zone collisions, 37,000 injuries and 891 fatal injuries in 2022 [6]. It counts 136 pedestrian deaths, and 105 of those were workers [6]. Across all jobs, 369 workers died in pedestrian incidents involving motorized land vehicles in 2024, up 19.0 percent from 310 in 2023 [7].
Struck by events drive much of this harm. “Struck by” means a worker hit by a moving vehicle or machine. A study of 3,268 OSHA accident reports from 2000 to 2022 looked at construction work zones. Struck by events made up over half of the reported accidents and nearly 70% of the related deaths [8].
Being seen is only one layer. The manual’s worker safety guidance also lists training, temporary barriers, speed management, less backing by work vehicles and a basic hazard assessment by a trained person [1]. Start with that assessment. Who is exposed? At what hours? Beside what kind of traffic? Gear comes after those answers.
Our guide to work zone and move over safety covers what drivers should do. This article stays on the worker side.
What the rules and standards say
The Manual on Uniform Traffic Control Devices, or MUTCD, is the national rulebook for signs, signals, markings and work zone devices. FHWA adopted its 11th Edition in a rule published December 19, 2023. Revision 1 took effect on March 5, 2026 [9]. This article reviewed the 2023 text of Part 6, which covers temporary traffic control [1]. Check the current wording before you write a policy.
The manual tags each statement. “Standard” means required and usually uses the word “shall.” “Guidance” means recommended and uses “should.” “Option” means allowed and uses “may” [10]. Two more terms help. The right-of-way is the strip of land the road agency controls. A temporary traffic control zone is the stretch of road where work changes the normal traffic pattern.
Here is what Section 6C.05 says about apparel, in plain words [1].
Comparison compiled by Safety Behind the Wheel Foundation
Who must wear high visibility apparel under the MUTCD
| Who | What the manual says | Type of statement |
|---|---|---|
| Workers in the right of way inside the zone, day or night | Wear Class 2 or 3 apparel that meets ANSI/ISEA 107 | Standard (required) |
| Flaggers working at night | Wear Class 3 apparel with the proper label | Guidance (recommended) |
| Uniformed police directing traffic or investigating crashes | Wear the specified high visibility apparel | Standard (required) |
| Emergency and incident responders | May wear apparel that meets ANSI/ISEA 207 instead | Option (allowed) |
| Firefighters exposed to flame, heat or hazardous materials | May wear retroreflective turnout gear set by fire service standards | Option (allowed) |
The manual also says the apparel background must be fluorescent orange red, fluorescent yellow green or a mix of the two. The reflective trim may be orange, yellow, white, silver or fluorescent versions of those colors [1].
OSHA adds a link. Its construction rule says flagger signaling, including the warning garments flaggers wear, must follow Part 6 of the MUTCD [11]. OSHA’s highway work zone page says the MUTCD is referenced in its construction standards for signs, signals and barricades [12]. State manuals, project contracts and employer policies may add more, so read the ones that cover your job.
This guide is not a legal opinion. Your employer’s safety office, your state road agency or OSHA can tell you how the rules apply to your crew.
How to read a garment label
Start with the label or packaging. OSHA’s fact sheet tells workers to check it for performance class 2 or 3 [13]. Safety Behind the Wheel Foundation gives every crew the same advice: read the label before you wear the gear. Ask your supplier to show you where the standard and class appear on each garment.
Two cautions apply. First, the OSHA fact sheet dates from 2005. It mentions class 1 in one place and class 2 or 3 in another [13]. For work in a traffic control zone, follow the manual’s Class 2 or 3 [1]. Second, the manual names the 2015 edition of the standard “or equivalent revisions” [1]. A newer edition year on a label may be fine. Ask the maker or your safety office to confirm.
The same fact sheet says this gear is meant to make a worker visible from at least 1,000 feet and from any direction [13]. Treat that as a design goal, not a promise. Dirt, wear and hidden trim shrink the distance.
Comparison compiled by Safety Behind the Wheel Foundation
How to check a high visibility garment
| What to check | What you want to see | Why it matters |
|---|---|---|
| Label | A named standard and a Class 2 or 3 mark [1, 13] | Shows the garment was made for traffic exposure |
| Background color | Fluorescent orange red or yellow green [1] | Stands out in daylight |
| Reflective trim | Trim visible from the front, back and sides [13] | Returns headlight beams at night |
| Condition | Clean fabric, bright color, unbroken trim | A worn garment protects less |
| Layers | Outer jackets and rain gear that are also high visibility | Plain layers can hide the trim |
Day, dusk and night: what each layer does
Fluorescent color is the daytime layer. Reflective trim is the night layer. The manual describes retroreflectivity as a surface property that sends a large share of light from a point source back toward where it started [10]. In plain words, trim on a jacket bounces a car’s headlight beam back toward the car.
That design has a catch. Reflective trim works only when a vehicle’s headlights shine on it. A person standing outside the beam gets little help from it [2].
Placement matters too. In a closed road night test, 14 young drivers recognized a pedestrian from about 319 meters (roughly 1,050 feet) when the person wore a reflective vest plus markers in a “biomotion” layout. With the vest alone, they recognized the person from about 185 meters (roughly 605 feet) [3]. Biomotion means markers on moving joints, such as ankles and wrists. The eye reads that pattern as a walking person.
A review of this research notes that it helped change Australian and New Zealand standards for roadworker clothing, which now include reflective strips in a biomotion layout [5]. An older open road study used about 302 square centimeters of reflective material in four layouts. The vest layout did no better than no markings, and the full joint marker layout did best [14]. That test held the amount of material fixed, so it speaks to placement, not to how much a full garment carries.
These are research results, not U.S. rules. The manual asks for Class 2 or 3 apparel [1]. Never add tape or patches to a labeled garment on your own. Ask the maker or your safety office which additions fit within the standard.
Drivers and workers both misjudge night vision. Drivers tend to “overdrive” their headlights, meaning they go faster than they can stop within the lit area. Pedestrians tend to overestimate how visible they are [15]. The plain version for crews: assume drivers will see you later than you expect.
Some gear adds its own light. Electroluminescent panels are flexible panels that glow when powered. In an open road night test, a garment with both lit panels and reflective material drew responses from farther away than a reflective only garment. The gap was largest when the pedestrian stood far outside the headlight beam [2]. Treat that as promising but early. One test does not make lit panels a substitute for the garment the manual asks for.
Lighted vehicles and equipment
Lights on trucks and machines do a different job. They warn drivers early that something unusual is ahead. The manual says an advance warning area can be as simple as one sign or high intensity rotating, flashing, oscillating or strobe lights on a vehicle [1]. For moving work, it says vehicle mounted devices may replace channelizing devices such as cones when a crew sets up a transition area. Examples are arrow boards, portable changeable message signs and those same lights [1].
The manual also allows a shadow vehicle to carry lights and warning signs. A shadow vehicle is a work truck placed to shield the crew from an errant vehicle, one that leaves its lane by mistake [1]. The manual adds that special devices need careful use to stay effective [1]. More lights are not always better.
At night, flagger stations must be lit except in emergencies [1]. Area lighting is a separate subject. On public roads, the road agency and the traffic control plan decide which lights go where. If you manage a crew, ask which light colors and flash patterns your state allows on work vehicles.
Lights warn drivers. They do not help an equipment operator see a person. NIOSH explains that blind areas are spaces with limited view around construction vehicles and equipment. It ties poor visibility to some struck by incidents. Its diagrams show what can and cannot be seen at ground level, at about 3 feet and at about 4 feet 11 inches [4]. A worker in a bright vest can still stand where an operator cannot see.
Plan the work so people on foot stay out of those areas when machines move. Our guide to backing and blind zones explains the same problem for everyday vehicles.
Choosing apparel and lights, step by step
Road contractors, utility crews, maintenance departments, towing firms and event operators buy this gear. Common channels are traffic control suppliers, equipment rental firms and qualified traffic contractors. Choose a seller who can show you labels and explain classes. Then match gear to the task, because a flagger and a truck driver face different risks.
- List each role on the job, such as flagger, laborer, inspector, equipment operator, driver and supervisor.
- Note when each person works: day, dusk or night. Note how close and how fast the traffic is.
- Check the traffic control plan, project contract, state manual and employer rules for apparel and lighting requirements.
- Match each garment to the role using the label: Class 2 or 3 inside a work zone, and Class 3 for flaggers at night [1].
- Choose fit and layers. Outer layers, such as rain gear and winter jackets, must also be high visibility or they hide the trim.
- Add lights and lit gear as the plan calls for, such as vehicle lights or a shadow vehicle. Add lit panels only if your employer approves.
- Train crews to wear, inspect and replace gear. Review the setup after any near miss.
Comparison compiled by Safety Behind the Wheel Foundation
Starting apparel choices by role
| Role | Start with | Also check |
|---|---|---|
| Flagger | Class 3 label for night work [1] | Trim is visible from all sides |
| Laborer or inspector on foot | Class 2 or 3 apparel [1] | Tool belts do not cover the trim |
| Equipment operator or driver | The manual covers all workers in the zone [1] | Ask your safety office how it applies in a cab, and review blind areas [4] |
| Tow or incident responder | Class 2 or 3, or ANSI/ISEA 207 where allowed [1] | Ask your employer and the road agency which applies |
| Utility or event crew near a road | Class 2 or 3 inside any traffic control zone [1] | Confirm who is in charge of traffic control |
Questions to ask a supplier:
- Which standard and class does this garment meet, and where does the label show it?
- Are the outer layers also marked as high visibility?
- What care steps keep the color bright and the trim intact?
- Which lights or lit accessories can be added without changing the garment’s label status?
Care, inspection and replacement
A dirty, faded or torn garment protects less. Dirt can dull both the fabric color and the reflective trim. Follow the maker’s care label, and wash gear when it is dirty.
Inspect each item at the start of every shift. Retire any garment with faded fabric, cracked or peeling trim, or stains that will not wash out. Keep a spare set in each truck. For lit gear, charge batteries and test the lights.
Common mistakes and limits
Most problems come from treating apparel as the whole answer. Watch for these:
- Wearing a vest with no readable label where workers face traffic.
- Covering reflective trim with a jacket, harness or tool belt.
- Counting on lights alone and skipping barriers, speed control or training.
- Standing in an equipment blind area because the vest is bright [4].
- Altering a labeled garment with tape or patches.
What drivers and neighbors can do
If you drive past a crew, slow down early and give workers room. Expect people on foot, especially after dark, and leave a long gap behind other vehicles. Follow flaggers and signs. Our guides on night driving safety and move over laws go into more detail.
Public road traffic control must be selected, designed and installed by authorized agencies and trained crews. Residents and small businesses should never place cones, lights or signs on a public road. If you see workers without visible apparel, note the place and time. Report it to the road agency or the contractor named on the project signs. Workers with concerns should talk to a supervisor or the employer’s safety office first.
Frequently asked questions
Is a plain yellow or orange vest enough?
Not by itself. The manual asks workers in the right of way inside a work zone to wear apparel that meets ANSI/ISEA 107 at Class 2 or 3 [1]. Color alone is not the test. Check the label for the standard and class.
Is Class 2 enough, or is Class 3 needed?
For workers in a work zone, the manual accepts Class 2 or 3. It points to Class 3 for flaggers at night [1]. Your employer, contract or state manual may ask for more.
Do tow operators and other responders follow the same rule?
The manual’s apparel rule covers emergency responders, and it lets emergency and incident responders use ANSI/ISEA 207 apparel instead. It also addresses police and firefighters in their own paragraphs [1]. Whether a tow operator counts as a responder can depend on the job and the agency. Ask your employer and the road agency.
Can one garment serve both day and night?
Yes, if it meets the class the manual requires. The manual asks for this apparel for both daytime and nighttime activity [1]. Remember that reflective trim works only when headlights hit it [2].
Do lit vests or wands replace reflective gear?
The sources reviewed here do not say so. The manual asks for apparel that meets the standard [1]. In one night test, lit panels added to a reflective garment drew responses from farther away than reflective material alone [2]. Treat lit gear as an extra layer, and check with your employer first.
How often should high visibility apparel be replaced?
There is no single schedule in the sources reviewed. Follow the maker’s care and replacement guidance and your employer’s policy. Replace any garment that is faded, torn, stained or missing trim.
The bottom line
Recommendation from Safety Behind the Wheel Foundation
Safety Behind the Wheel Foundation urges employers and crews to match labeled high visibility apparel to each task and keep it clean and in good repair. High visibility apparel and lighted equipment help drivers notice workers earlier. They work best as one layer among several, with speed control, barriers, trained crews and plans that keep people out of blind areas.
Match the garment to the task, read the label, keep it clean and replace it when it wears out. Add lights where the traffic control plan calls for them. If you drive near a crew, slow down and give workers room.
Related articles
- Work zone and move over safety: protect road crews, responders and you
- Night driving safety: how to see hazards and stop in time after dark
- Move over laws by state: who's protected and what you must do
- Parking lot, driveway and backing safety: beat your blind zones
- Workplace motor vehicle safety program: a step by step employer guide
Sources and further reading
- 1Federal Highway Administration (FHWA). Manual on Uniform Traffic Control Devices, 11th Edition, Part 6: Temporary Traffic Control (Sections 6B.04, 6B.05, 6C.04, 6C.05 and 6D.06). Published December 2023. mutcd.fhwa.dot.gov/pdfs/11th_Edition/part6.pdf
- 2Fekety DK, Edewaard DE, Stafford Sewall AA, Tyrrell RA. Electroluminescent Materials Can Further Enhance the Nighttime Conspicuity of Pedestrians Wearing Retroreflective Materials. Human Factors, 2016;58(7):976-985. Published May 19, 2016. pubmed.ncbi.nlm.nih.gov/27198899
- 3Wood JM, Tyrrell RA, Lacherez P, Black AA. Night-time pedestrian conspicuity: effects of clothing on drivers’ eye movements. Ophthalmic and Physiological Optics, 2017;37(2):184-190. Published March 2017. pubmed.ncbi.nlm.nih.gov/28211184
- 4Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health (NIOSH). Construction Equipment Visibility. Last reviewed November 7, 2024. cdc.gov/…/index.html
- 5Wood JM. Improving the conspicuity and safety of pedestrians and cyclists on night-time roads. Clinical and Experimental Optometry, 2023;106(3):227-237. Published February 12, 2023. pubmed.ncbi.nlm.nih.gov/36774920
- 6Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health (NIOSH). Highway Work Zone Safety. Last reviewed November 6, 2024. Data year: 2022. cdc.gov/niosh/motor-vehicle/highway/index.html
- 7U.S. Bureau of Labor Statistics. Census of Fatal Occupational Injuries Summary, 2024. Released February 19, 2026. Data year: 2024 (with 2023 comparison). bls.gov/news.release/cfoi.nr0.htm
- 8Khan M, Gbiengu P, Ibrahium A, Nnaji C. Investigating patterns and causes of struck-by accidents in roadway construction projects. International Journal of Occupational Safety and Ergonomics, 2025;31(4):1225-1246. Published June 3, 2025. Data year: 2000 to 2022. pubmed.ncbi.nlm.nih.gov/40459033
- 9Federal Highway Administration (FHWA). Manual on Uniform Traffic Control Devices (home page, 11th Edition and Revision 1 notices). Accessed October 2026. mutcd.fhwa.dot.gov
- 10Federal Highway Administration (FHWA). Manual on Uniform Traffic Control Devices, 11th Edition, Part 1: General (Sections 1C.01 and 1C.02). Published December 2023. mutcd.fhwa.dot.gov/pdfs/11th_Edition/part1.pdf
- 11U.S. Government Publishing Office, eCFR. 29 CFR 1926.201 – Signaling. Current as of October 1, 2026. ecfr.gov/…/section-1926.201
- 12Occupational Safety and Health Administration (OSHA). Highway Work Zones and Signs, Signals, and Barricades – Overview. Last-updated date not shown on the page. osha.gov/highway-workzones
- 13Occupational Safety and Health Administration (OSHA). Work Zone Traffic Safety (fact sheet). Published September 2005. osha.gov/…/work_zone_traffic_safety.pdf
- 14Balk SA, Tyrrell RA, Brooks JO, Carpenter TL. Highlighting human form and motion information enhances the conspicuity of pedestrians at night. Perception, 2008;37(8):1276-1284. Published 2008. pubmed.ncbi.nlm.nih.gov/18853562
- 15Tyrrell RA, Wood JM, Owens DA, Whetsel Borzendowski S, Stafford Sewall A. The conspicuity of pedestrians at night: a review. Clinical and Experimental Optometry, 2016;99(5):425-434. Published August 15, 2016. pubmed.ncbi.nlm.nih.gov/27523959
This article reflects the safety priorities of roadside worker visibility and work zone safety. It is general education, not legal or medical advice. Rules and standards change, so verify details with official sources. For your own situation, contact your employer's safety office, your state or local road agency, or OSHA. Reviewed October 2026.
Cite this article: Safety Behind the Wheel Foundation. “High visibility work apparel and lighted equipment: how roadside crews get seen.” drivewithcare.org, https://drivewithcare.org/high-visibility-work-apparel-illuminated-equipment/. Reviewed October 2026.
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