Location: DE 273 and Cedarwood Rd, New Castle Cty Just after I-95, we’ll approach Delaware 4. Location: DE 273 and Christiana Pkwy, New Castle Cty Exit for DE 4. Continue on the expressway for DE 273 into Newark.  W to DE 2/DE 72, E to DE 7  E to DE 58, W to DE 72 … Continue reading Delaware Route 273, I-95 to DE 4