From I-80: Take Exit 244 and go 3 miles North on Dubuque Street to West Overlook Road. There will be a large brown sign saying "Coralville Lake & Dam". Turn right at the sign. Proceed on West Overlook Road 1/4 mile to the Dam Complex Entrance Station for information on registering for a campsite. From I-380: Take Exit 4 (North Liberty). Turn left (East) onto to Penn Street. Take Penn Street all the way east to Dubuque Street. Turn right onto Dubuque Street and go South toward Iowa City. Approximately 5 miles South of North Liberty you will see a large brown sign that says, "Coralville Dam". Turn left and follow the entrance road to the park.