Traffic Cone

A traffic cone is a portable, stackable marker that guides vehicles and pedestrians around hazards, closures and active work. Fast to deploy and recover, cones are the default device for short-duration and mobile operations. The catalog lists 9 models from Universal Enterprises, JBC Safety Plastic, TrafFix Devices, RoadSafe Traffic Systems, OPTSIGNS and Brady.

Models

Varies by model

Height

Brands

How it works

A flexible PVC or polymer body over a broad base presents a high-visibility target that deforms under wheel strikes and pops back. Retroreflective collars make cones legal and visible for nighttime use. Cones work in series: placed along tapers and edge lines at planned spacing, they read as a continuous guide. Crews deploy and retrieve them from a moving vehicle on mobile operations, which is why weight and stackability matter as much as visibility.

Types & variants

Standard road cones: Full-size cones with reflective collars for street and highway work zones.
Compact utility cones: Shorter cones for parking lots, plants and low-speed guidance.
Heavy-base cones: Wide, weighted bases for wind and high-speed truck blast.
Collapsible cones: Spring-fold designs that pack flat in service vehicles.

Key specifications

Specification	Typical range	What it means
Height	Varies by model	Road speed drives required cone height — the MUTCD sets taller minimums for freeway and high-speed use.
Base size and weight	Varies by model	A broader, heavier base resists truck blast and wind without external ballast.
Reflective collar	Varies by model	Retroreflective banding is required for nighttime deployment.
Material	Varies by model	Flexible PVC bodies take wheel strikes and rebound; harder polymers add durability in yards and plants.

How the industry sizes it

Cones are sized by height against road speed: the MUTCD requires taller cones as speeds rise, with the tallest classes reserved for freeways and nighttime work. Beyond height, jobs are planned by count — taper and spacing tables convert closure length and speed into the number of cones a crew must carry, place and retrieve.

Applications

Short-duration lane closures and shoulder work
Mobile operations with rolling deploy-and-retrieve
Utility, landscaping and municipal spot work
Parking, event and pedestrian guidance
Incident scene marking

Safety & operation

Cone height and reflectorization must match road speed and time of day — undersized or bare cones are noncompliant on high-speed roads at night.
Cones provide guidance only; they stop nothing. Worker protection near live lanes comes from barriers, attenuators and buffer space.
Deploying and retrieving cones exposes workers to traffic — high-visibility apparel and working from the protected side are standard practice.

Standards & certifications

FHWA · MUTCD: Sets cone height minimums by road type, reflectorization requirements and channelizing applications.
ASTM · D4956: Retroreflective sheeting standard applicable to cone collars.

Frequently asked

What height of cone does a highway job require?

The MUTCD scales required cone height with speed — high-speed and freeway work takes the tallest class of cones, with reflective collars mandatory at night.

Why do cone bases vary so much?

Base width and weight are what keep a cone standing in truck blast; high-speed roads demand heavy bases while parking-lot cones stay light for handling.

How many cones does a lane closure take?

Taper length and spacing tables in the traffic control plan convert speed and lane width into a device count — closures are planned by the case, not the cone.