There are two tolls on the I-95 in Delaware. One is the Delaware Memorial Bridge connecting New Jersey and Delaware which is unavoidable. The other toll is the Delaware-Maryland state line toll which is easily avoidable. There is a quick and easy detour to avoid the Delaware-Maryland state line toll is $4. Below are southbound and northbound instructions with a highlighted map to help you avoid the unnecessary toll between Delaware to Maryland.
If you are traveling on I-95 (JFK Memorial Highway or Delaware Turnpike) southbound to Maryland, you should exit I-95 when you see Route 896 (Exit 1). Take Exit 896 North which is South College Avenue towards the University of Delaware until you see Christina Parkway (University of DE will be to your right). Make a left onto Christina Parkway (west) and stay on for about 1.1 miles. You will come to a dead end which is Elkton Road. Make a left onto Elkton Road and you will see a sign for I-95. Stay on Elkton Road which will take you to I-95 southbound and you have saved yourself $4 in tolls for a 5 minute detour!
If you are traveling on I-95 northbound from Maryland to Delware, get off on Exit #109 on I-95 (which is MD-279 Elkton Newark Road to MD-213). Take Elkton Road north/east to you see Christina Parkway, which is two major intersections or about 2 miles. Make a right onto Christina Parkway and look for College Avenue which is the first major intersection. At the stop light of College and Christina, make a right on to College Avenue and you will see signs for I-95 north and south. You have saved yourself another $4 on your return trip!