Live Chat I-85 Community Nearby Traffic Pettys Lake Dam (Water dam) 2024-05-10 Roadnow Weather | Gas | Restaurants | Hotels | Car Repair | Convenience Stores Cities close to Pettys Lake Dam (Water Dam) Chapel Hill, NC 15.00 Raleigh, NC 17.20 Morrisville, NC 17.60 Interstate highway exits close to Pettys Lake Dam (Water Dam) Exit 177a, i85 2.04 Exit 177b c, i85 2.08 Exit 176b a, i85 2.73 Interstate highways close to Pettys Lake Dam (Water Dam) i85 map 2.04 i40 map 10.04 i440nc map 27.11 State roads close to Pettys Lake Dam (Water Dam) NC 98 map 0.16 NC 147 map 0.99 NC 55 map 1.03