Verkkoget the most current and relevant pennsylvania traffic information on your smart phone without ever taking your eyes off the road or your hands off the wheel with. How can i check the traffic on the roads? By default, the app displays traffic colors to indicate travel speeds. You can toggle the traffic layer on/off by. Verkkoenter your start and end locations by typing the addresses into the address fields. Alternatively, you may also right click on the map, select a location from the. Verkko511pa is a statewide travel information service that helps reduce congestion and improve safety on pennsylvania roadways. This includes information on roadwork, incidents, road.