Motorists beware: That’s no ordinary pothole that has opened up on Second Avenue just north of Main Street.

A gaping hole about two feet long and one foot wide appeared near the curb about two weeks ago and was recently patched by a local Department of Transportation crew, said DOT spokesperson Jeremy Woodrow.

The hole in the asphalt surface exposed a larger cavity underneath the road and sidewalk.

On Monday, a second, smaller hole appeared…