 After the toll plaza , DE 1 widens to six lanes and comes to a southbound exit and northbound entrance providing access to US 13 in St. Georges . The freeway turns northwest and crosses the Chesapeake and Delaware Canal on the cable @-@ stayed Chesapeake and Delaware Canal Bridge . The highway passes through a mix of fields and residential subdivisions and curves north to come to a diamond interchange with US 13 and DE 72 to the west of Delaware City . At this point , US 13 becomes concurrent with DE 1 , with the freeway running through farmland and passing over Norfolk Southern 's Reybold Running Track railroad line and DE 7 to the west of the Delaware City Refinery . US 13 and DE 1 continue concurrent to Tybouts Corner , where DE 1 splits at an interchange to continue as a freeway and US 13 heads northeast as a surface divided highway . Within this interchange is the northern terminus of DE 71 , which southbound DE 1 has a direct ramp to . Past Tybouts Corner , DE 1 narrows to four lanes and travels north past residential subdivisions , passing over Norfolk Southern 's New Castle Secondary before coming to the US 40 interchange in Bear . The highway continues north and reaches an interchange with DE 273 in Christiana . The freeway runs through wooded areas and crosses the Christina River before it comes to an interchange with DE 7 that serves the Christiana Mall to the east of the road . At this point , DE 7 joins DE 1 on the freeway , passing to the west of the mall before coming to a modified cloverleaf interchange with I @-@ 95 ( Delaware Turnpike ) that has flyover ramps from between northbound DE 1 / DE 7 and northbound I @-@ 95 and between southbound I @-@ 95 and southbound DE 1 / DE 7 . Past I @-@ 95 , the freeway heads through commercial areas before it comes to an interchange with DE 58 . At this point , DE 1 and the freeway end while DE 7 continues north as a divided surface road . 
