The Delaware River Joint Toll Bridge Commission does adjust toll rates at times, but these changes are typically not tied to seasonal variations. Instead, toll rates are influenced by regulatory decisions and financial considerations such as maintenance costs, operational expenses, and revenue requirements for infrastructure improvements. Seasonal promotions or special events might result in temporary discounts, but these are not common practices. For the latest information on toll rates and any potential updates, it is advisable to check the official website of the Delaware River Joint Toll Bridge Commission. The website provides comprehensive details regarding current toll rates, possible changes, and any relevant announcements.