US 301 Mainline Project Will Require the Nighttime Closure of SR 1 NB Beginning Tuesday, November 28

Steel beams being placed on new 301 bridge at Route 1 on Sunday, November 19, 2017

As part of the ongoing US 301 Mainline Project, the Delaware Department of Transportation (DelDOT) has announced upcoming nighttime closures of SR 1 northbound for the installation of structural components for the new US 301 bridge over SR 1.

The SR 1 northbound closure between Pole Bridge and US 13 Northbound Free Ramp will occur on the following dates:

9 p.m. on Tuesday, November 28 until 5 a.m. on Wednesday, November 29
9 p.m. on Wednesday, November 29 until 5 a.m. on Thursday, November 30
9 p.m. on Thursday, November 30 until 5 a.m. on Friday, December 1
9 p.m. on Friday, December 1 until 5 a.m. on Saturday, December 2

During the nighttime closure of SR 1 northbound, the tolls on SR 1 northbound-Boyds Corner Toll Plaza will be waived.

Detour Route: Pole Bridge Road to US 13 northbound and return to SR 1 northbound.

Variable message boards will also be posted to alert motorists of the upcoming SR 1 northbound closure and detour signage will be posted for motorists.

For further information of the US 301 Mainline Project, please visit

DelDOT’s Transportation Management Center (TMC) and WTMC-1380 AM provides motorists real-time traffic conditions throughout the state. Motorists can contact the TMC 24/7 to report any travel or traffic related issues at the following numbers: Dial #77 from any cell phone in Delaware.