Street Closed Ahead Sign W20-3

• MUTCD-compliant W20-3 temporary traffic control sign
• Built on durable .080" (80 mil) rustproof aluminum
• Rounded corners and pre-punched mounting holes
• Available in 30" x 30", 36" x 36", and 48" x 48"
• Reflective sheeting options for work-zone visibility
• Hardware sold separately

The Street Closed Ahead Sign W20-3 gives drivers advance notice that a street or roadway closure is ahead. It is commonly used before temporary closures, construction zones, utility work, municipal projects, event closures, emergency repairs, and private-road traffic control setups.

Use this sign where drivers need warning before they reach the closed section of roadway. For many projects, this sign is paired with additional road closed signs, detour signs, barricades, cones, channelizers, or temporary traffic control devices based on the approved traffic control plan.

When to Use This Sign

• Temporary street closures for construction or repair work
• Utility work affecting normal vehicle access
• Municipal, county, HOA, campus, or facility road closures
• Special events, maintenance projects, and emergency closures
• Advance warning before a closed roadway, detour, or work-zone approach

Choose the Right Size

• 30" x 30": Common choice for lower-speed roads, private roads, parking areas, facility roads, and smaller temporary traffic control setups. Confirm that this size is allowed for your roadway and project.
• 36" x 36": Standard choice for many conventional road and contractor work-zone applications where stronger driver recognition is needed.
• 48" x 48": Oversized option for higher-speed roads, larger approaches, freeway or expressway-style applications, and high-visibility work zones. Ships by truck freight and requires a two-post mount.

Choose the Right Reflective Sheeting

• High Intensity Prismatic (HIP): A strong standard option for work-zone signs that need dependable daytime and nighttime visibility.
• Diamond Grade (DG3): A higher-performance option for brighter reflection, longer-distance recognition, and demanding roadway conditions.
• Diamond Grade Fluorescent Orange: A premium work-zone option for maximum visual impact in temporary traffic control environments.

Mounting & Support Notes

• Posts, stands, brackets, bolts, and mounting hardware are sold separately.
• 30" and 36" signs are commonly used with a compatible single sign post or approved temporary support.
• 48" signs require a two-post installation and ship by truck freight.
• For public road work zones, use a support system that meets the project requirements for temporary traffic control and crashworthiness.
• Replace work-zone signs that are missing, bent, dirty, faded, damaged, or difficult for drivers to read.

Common Pairings

• Road Closed signs
• Detour Ahead signs
• Type I, Type II, or Type III barricades
• Traffic cones, drums, and channelizers
• U-channel, square, or temporary work-zone sign supports

Compliance Note: Verify final sign selection, size, sheeting, placement, mounting height, support type, ballast, and installation method with the project plans, authority having jurisdiction, state DOT, local public works department, traffic engineer, or other qualified professional before use. Requirements may vary by roadway, speed, project type, state, municipality, agency, and work-zone condition.

Shipping

Most in-stock items ship within 1 to 5 business days. Please check the ship time shown near the price for the item you selected.

Shipping rates are calculated at checkout before you place your order. You can review the total shipping cost before paying.

Tracking information is available as soon as your order ships. Most orders arrive within 2 to 7 business days after shipment, depending on your location and the carrier.

Items that are too large to fit in a regular shipping box may ship separately or take longer to arrive.

Returns

Customers have 30 days from delivery to request a return on qualifying standard products. For full details, please review our Shipping & Returns policy.

If an item arrives damaged, defective, or incorrect, please contact us and we’ll make it right.