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Scheduled Traffic Notices

Lane Closure - Barney’s River, KM 195-196
December 3-4, during daylight hours -
 There will be a lane closure, effecting Eastbound and Westbound Traffic, to facilitate paving operations. Signage and stop and go traffic control will be in place to guide motorists through the work area. Please drive carefully and watch out for workers. We thank you for your patience and apologize for any inconvenience this may cause.

Highway 104 – Partial Opening
On or about December 3 -
Newly twinned sections of the Highway 104 Project will be available to the travelling public between Exit 30 (James River) and Exit 31 (West of Antigonish). After James River, heading Westbound, the road will revert back to a single lane each way until the twinning is completed in 2023. Signage will be in place to help guide traffic through the area. Motorists should anticipate light traffic delays as vehicles transition to the new alignment.

Ramp Closure - James River Interchange Ramp Closure
November 28 to December 5 – There will be a ramp closure affecting Eastbound Traffic at James River Interchange at Exit 30 James River/ Beaver Meadow.  Detour at Exit 29A (Browns Mountain Road).

Permanent Road Closure - Mill Road
November 22, 2022 -
There will be a permanent closure of Mill Road to the North and South of Highway 104. The Mill Road 104 Highway crossing will be eliminated. The nearest local access to and from Highway 104 is available at the newly constructed James River Interchange (Exit 30). Signage will be in place to remind the public of the closure.

Permanent Road Closure  - between Kenzieville and Barneys River Station
August 1 -
 There will be a permanent closure of Trunk 4 south of Highway 104 in Barneys River Station. In the short term, local access to/from Highway 104 is available by taking Exit 27. Once complete, future access to the highway will be from the Barneys River Interchange. This work is necessary to construct the new highway lanes where it intersects with Trunk 4. Proper signage and traffic control will be in place to remind the public of the closure.


For real-time information follow @NS_PublicWorks on Twitter.

Nova Scotia Highway104

About the Project

Highway 104 is a major transportation link in Nova Scotia, connecting the province to New Brunswick and the mainland to Cape Breton Island.

Dexter Nova Alliance (DNA) is the consortium selected by the Nova Scotia Department of Transportation and Infrastructure Renewal (NSTIR) to Design, Build, Finance, Operate, and Maintain (DBFOM) the new stretch of highway. In addition, DNA will be responsible for the operation and maintenance of an additional 25 kilometres of existing highway over a 22-year period.

Project Map & Timeline

HWY104 Twinning Map
Operations, maintenance and rehabilitation Twinning New alignment Major interchange
SegmentRoadworkLocationsStart DateEnd Date
Operations, maintenance and rehabilitationNew Glasgow - AntigonishJune 20212043
New construction - TwinningSutherlands River - Barneys River Station20202021
Detours to new lanesSutherlands River - Barneys River StationNovember 2021
New alignmentBarneys River Station - Pushie Road20202023
New construction - TwinningPushie Road - Antigonish20202021
Detours to new lanesPushie Road - AntigonishNovember 2021

Timeline is an estimated schedule and subject to change.

Project Progress

October 2022

Dexter Nova Alliance is a consortium of:

Logo dexter construction
Logo nova construction
Logo bbgi
Logo municipal enterprises

Dexter Nova Alliance consortium and partners include:


Municipal Enterprises
Nova Construction


Dexter Construction
Nova Construction


Harbourside Engineering


Municipal Enterprises
Nova Construction

This consortium and partnership has a strong local presence and the companies that make it up have a history of building high quality, safe roads in Nova Scotia.

Careers and Business Opportunities

Join The Team

Job postings are updated as positions become available. Please check for updates and new opportunities. We thank all applicants for their interest; however, only those who are selected for interviews will be contacted. Click here to view current opportunities.

Let’s Work Together

We will be working with many companies and partners to complete and service this project. Contact us at if you would like to be on our supplier list.

Do you have a question about the Highway 104 Twinning project? Ask away.

833-499-1048 (HWY-104T)

For more information on the project, please visit the NSTIR website.