<p>It varies by town. Rush hour is paradoxically safer, because the traffic moves more slowly. There are also customs observed at certain corners or highway merges at rush hour. When traffic is crawling, it is courteous to allow cars on side roads to enter the roadway. Not too many, however! or the cars behind you will honk. One is fine.</p>
<p>I hate driving in Cambridge. It’s the only town I know in which mothers will push their baby carriages into oncoming traffic without looking. There are also bike lanes, and the bicyclists vary in how seriously they take the rules of the road. </p>
<p>You can turn right at red lights, unless there is a sign forbidding right on red. </p>
<p>Stop for pedestrians in crosswalks. Crosswalks are usually well marked. If the pedestrian crosswalk has a “stop/walk” light for pedestrians, though, obey the traffic lights.</p>
<p>If a state policeman has pulled over a car on the highway, slow down and move left, if possible.</p>
<p>Children must be in car booster seats until the age of 8.</p>