> They just walk through the traffic jam (I saw this at the end of the tunnel leading to East Boston) and driver would wind down their windows. Either someone

> They just walk through the traffic jam (I saw this at the end of the tunnel leading to East Boston) and driver would wind down their windows. Either someone would get hit by a car and the resulting lawsuit would end it, or the city/police would end it. While "it is done" as far as traffic vendors, it isn't done for very long for the forementioned reasons.