50+ Years of operating on the honor system, where you take a envelope and pay later if you do not have the exact change is coming to a end before Fall 2011 when they install cameras to catch people, doubling the fine from 25 to 50 dollars.
http://www.phillyburbs.com/news/local/burlington_county_times_news/new-jersey-planning-crackdown-on-parkway-toll-cheats/article_66546f48-5ba5-11e0-ad0a-0017a4a78c22.html