After 8 to 12 days, on average, symptoms of measles can begin. The period between measles transmission and the start of symptoms is called the incubation period.
Driving Laws In Greater Philadelphia. The maximum speed limit in Pennsylvania is 55 miles per hour unless posted otherwise. The maximum speed limit on interstate highways is posted after each interchange; on other highways the maximum speed limit is posted at approximately half-mile intervals.
70 mph speed limit pros and cons: Is it worth it? The speed limit on a stretch of the Pennsylvania Turnpike is now 70 mph. By next year, the entire 500-mile stretch of the Turnpike and sections of other interstates in Pennsylvania could see the higher speed limit, state officials said. (Mark Pynes, PennLive)