Location: Marsh Rd and I-95, New Castle Cty Reassurance shield after I-95. Location: Marsh Rd and Washington St Ext, New Castle Cty DE 3 has recently been re-routed, and now turns left to follow the Washington Street Extension down to 13 Business. Location: Marsh Rd and Washington St Ext, New Castle Cty Turn left for … Continue reading Delaware Route 3, I-95 to US-13 Bus