MUTCD Type III Barricades: Ultimate Visibility & Compliance for Road Closures
Heavy-duty, three-rail barricades built for full road closures, major detours, and high-risk work zones — fully compliant with FHWA MUTCD standards
Why Type III Barricades Stand Out
Unlike smaller Type I (one rail) or Type II (two rails) barricades, Type III models feature three wide horizontal rails covered in alternating orange and white retroreflective stripes (sloping downward at 45 degrees in the direction of traffic). This larger design — typically 4–8 ft wide rails and ~5–6 ft tall — delivers superior conspicuity, making them ideal for high-speed roadways, full closures, and complex detours where drivers need clear, unmistakable warnings.MUTCD Compliance & Key Specifications
MUTCD Section 6F.68 requires Type III barricades for closing or partially closing roadways. They must use approved retroreflective sheeting (meeting ASTM D4956 standards), with bold alternating orange/white stripes for excellent daytime and nighttime performance. Many state DOTs require high-intensity prismatic (HI) sheeting for 3x brighter reflectivity in demanding conditions. All our Type III barricades are MUTCD-compliant and often meet NCHRP-350 or MASH crash-test standards for added safety when impacted.Proven Applications Across Projects
- Full Road & Street Closures: Block access completely at construction sites, emergency situations, or special events.
- Major Detours & Lane Shifts: Guide traffic safely along alternate routes on highways and busy roads.
- High-Risk Work Zones: Clearly mark hazards, equipment areas, or excavation sites to protect workers and motorists.
- Pedestrian & Sidewalk Routing: Combine with signs for safe detours around closures.
Explore Our Top Type III Barricade Options
At Traffic Safety Store, we stock a wide selection to match any project — from semi-permanent to daily setups:- Galvanized Steel Frames — Heavy-duty square post or power post uprights with square/angle iron or rubber ballast feet; perfect for high-wind areas and long-term use.
- Break-Away Plastic Models — Lightweight, impact-resistant, and easy to deploy/store; ideal for frequent setup/teardown and maximum worker safety.
- Rail Lengths & Reflective Choices — 4 ft, 6 ft, or 8 ft rails; engineer-grade (EG) for standard needs or high-intensity prismatic (HI) for superior visibility (often DOT-required).
- Single or Double-Sided — More visible in both traffic directions; add custom lettering for extra clarity.
Why Professionals Choose Type III from Traffic Safety Store
With larger reflective surface area, these barricades are detectable from farther away — even in fog, rain, or low light. Steel options provide unmatched stability, while plastic break-away designs minimize debris and injury risk. Reinforced plastic rails resist warping, splintering, and maintenance issues. Backed by our expert support, you’ll get the right solution every time.Shop MUTCD Type III Barricades Today
Browse our full inventory, compare options, check current pricing (including sale items), and select the perfect combination of frame, rail length, and reflective grade. Visit the MUTCD Type III Barricades category now to stock up for your next project.
Square Steel Post Type 3 Barricade with 6' Plastic Rails
- Galvanized steel square sign post uprights & feet
- Accepts two (2) flashing lights
- Quick removal of uprights from feet (short term or permanent placement)
- NCHRP-350 Accepted (meets MUTCD standards)
- Uprights contain holes for boards 11/32” and holes for lights 9/16”
- Easy to assemble and replace parts if needed
Each Kit Contains:
- Two (2) 2" x 2" Square Steel Sign Post Feet with 6" Riser to accept uprights
- Two (2) 1.75" x 1.75" x 63" Tall Square Posts at Uprights
- Three (3) 6' x 8" x 1" Plastic Rails with Orange & White Reflective Sheeting (Choose Engineer Grade (EG) or High Intensity (HI) sheeting)
- All mounting hardware included

Type 3 Barricade with 6' Plastic Rails
Type 3 Barricade with 6' Plastic Rails
- Accepts two (2) flashing lights
- Quick removal of uprights from feet (short term or permanent placement)
- NCHRP-350 Accepted (meets MUTCD standards)
- Uprights contain holes for boards 11/32” and holes for lights 9/16”
- Easy to assemble and replace parts if needed
Each Kit Contains:
- Two (2) Angle Iron Feet
- Two (2) 63" Angle Iron Uprights
- Three (3) 6' x 8" x 1" Plastic Rails with Orange & White Reflective Sheeting (Choose Engineer Grade (EG) or High Intensity (HI) sheeting)
- All mounting hardware included

6' Type 3 'Break-Away' Barricade
6' Type 3 'Break-Away' Barricade
- 65" Tall Uprights
- Three, 6' (72") wide x 8" tall rails
- Choose Engineer Grade (EG) or High Intensity (HI) Sheeting
- Add custom lettering to any rail
Kit Includes:
- Two-part Plastic Frame & Base (Upright 'snaps' on to Base)
- Three (3) 6' (72) rails with orange and white reflective sheeting
- Six (6) mounting bolts, washers & nuts to hold rails to uprights