DOUBLE RIGHT REVERSE CURVE (W1-4B) Construction Sign Standard, If a Reverse Curve (or Turn) sign is used, the direction of the reverse curve (or turn) shall be appropriately illustrated. On a two lane road, notify drivers of the right reverse curvature that lies ahead, signs increase traffic  safety!

• MUTCD Temporary Orange Construction Sign Sizes - 36"x 36" or 48"x 48"
• Signs are made from thick .080 gauge U.S. Aluminum
• All signs carry the 3M warranty to last for years outdoors
• 3M reflective signs comply with latest MUTCD and State D.O.T specifications
• Aluminum Temporary Construction signs do not rust and guaranteed to last for years
• Two ⅜″ holes centered top and bottom for easy installations
• Add posts, sign base and bolts to your order.
• Made in the United States