Live Chat I-55 Community Nearby Traffic Lake Hillcrest Dam (Water dam) 2024-05-27 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Lake Hillcrest Dam (Water Dam) Maryville, IL 3.59 Edwardsville, IL 3.67 Troy, IL 8.16 Interstate highway exits close to Lake Hillcrest Dam (Water Dam) Exit 12, i270mo 1.56 Exit 9, i270mo 2.88 Exit 15b a, i55 5.47 Interstate highways close to Lake Hillcrest Dam (Water Dam) i270mo map 1.56 i55 map 5.47 i70 map 5.49 State roads close to Lake Hillcrest Dam (Water Dam) IL 159 map 1.57 IL 162 map 1.95 IL 157 map 2.47