A bill allowing municipal police across Pennsylvania to use radar guns for speed enforcement details passed the state Senate Tuesday on a 49-1 vote. Pennsylvania is currently the only state in the nation that limits the use of radar exclusively to its state police. That’s a sore spot for many municipal officials and police chiefs, who feel they are handicapped in monitoring speeding in residential zones and local roads where speeders can really raise the risk of an accident. But it’s also been a treasured, 60-year-old safeguard for some motorists. Critics have worried that those same municipal officers would take...