Higher tolls on the Chesapeake Bay Bridge have not led to fewer cars and trucks crossing the busy span to the Eastern Shore. There has actually been a slight increase in traffic of 3-percent since the cash toll increased. On November 1, tolls went up from $2.50 per car to $4. Statistics from the Maryland Transportation Authority show an increase from 2011 when traffic was down for nine of the 12 months. The $2.50 toll to cross the bridge had not changed since the 1970s, and the increase drew protests. Transportation officials said the increase was necessary to pay for bridge upkeep amid shortfalls in the state budget. Some Eastern Shore lawmakers say the toll hike is harmful because it raises the cost of business.