Location: US 301 and Summit Bridge Rd, New Castle Cty Reassurance shield after the DE 71 interchange. Location: US 301 and Warwick Rd, New Castle Cty In a mile we’ll approach DE 299. Location: US 301 and Warwick Rd, New Castle Cty DE 299 also carries portions of pre-2019 US 301. Location: US 301 and … Continue reading U.S. Route 301, DE 71 to DE 299