Grafton Police sit on Worcester St. sometimes during the day, but mostly at night time even in the early morning. Worcester Street goes mostly through all of Grafton. The speed limit is posted at 35 in most spots. They even do radar late at night. The police will sit in different parking lots and they will stop you for almost anything, headlight out, license plate light out, speeding. I found that they are pretty good and they will give you a verbal or written warning if you are polite.