Double Reverse Curve (2 Lanes) Left (RUS) OPTIONS_HIDDEN_PRODUCT or to all but local

or to all but local road users

Road Work Ahead Roll-up Sign (RUS)

then all you will need is the Auto Latch system that comes with the stand

Quick Disconnect Mast Attachment point

or W24-1b) sign  may be used where the tangent distance between two reverse curves is less than 600 feet

Double Reverse Curve (2 Lanes) Left (RUS) OPTIONS_HIDDEN_PRODUCT or to all but localMUTCD: W24 1aL The Double Reverse Curve (W24 1, W24 1a, or W24 1b) sign may be used where the tangent distance between two reverse curves is less than 600 feet, thus making it difficult for a second Reverse Curve (W1 4 series) sign to be placed between the curves. If the design speed of the curves is 30 mph or less, Double Reverse Turn signs should be used.