I would not say it is too expensive. Moreover you can avoid such expenses at all. If you want to know more about toll roads such as gwb, it is best to take a look at this amazing app www.uproad.com/toll-point/george-washington-bridge-ny-toll-info-prices-cost-payment-options. Believe me you'll get informative toll price alerts and smartly plan your route with trip cost estimates. Hope it can help