From the blog of the Northampton DPW:

Road center line painting

Road center line painting will start tonight (Sept 13) at 11pm and continue until 7am tomorrow morning.  The painting will begin in Florence and work its way down into downtown Northampton.  Please be cautious when driving in areas that have been posted with orange cones and signs that read "Wet Paint".

Photo courtesy of visualpanic via Flickr. Used under creative commons license.