STOPandGO.org - Weird signs, funny signs, safe driving tips

Technology and Life Hacks, at INeedAttention .com
The Pines Hotel, an abandoned Catskills resort
All Abandoned, exploring abandoned and active locations in New York and the northeast
The Gallon Challenge, photos from a small annual charity fundraiser

Squeeze right (construction sign)

I have no idea what this means, so I'm at somewhat of a loss to write a caption for it. [Near UMass Amherst, MA]