Roadwork
| Route | Section | Date of work | Type of work | Obstacles | Comments |
|---|---|---|---|---|---|
| Billy-Diamond Highway | km 64 to km 69 | June 1 to October 31, 2026 | Replacement of a culvert battery with a bridge | Full roadway closures. Reduced speed limit (35 km/h). Traffic signals will control alternating traffic on the detour road. | Contact: Alain Andriamaro 873 995-2076 aandriamaro@sdbj.gouv.qc.ca |
| Billy-Diamond Highway | km 68 to km 72 | May 19 to August 31, 2026 | Replacement of a culvert battery with a bridge at km 69 | Full roadway closures. Reduced speed limit (35 km/h). Traffic signals will control alternating traffic on the detour road. | Contact: Alain Andriamaro 873 995-2076 aandriamaro@sdbj.gouv.qc.ca |
| Billy-Diamond Highway | km 400 to km 500 | June 1 to August 31, 2026 | Mechanized roadside brush clearing | Reduced speed limit (70 km/h). Lane reductions in certain locations. | Contact: Alain Andriamaro 873 995-2076 aandriamaro@sdbj.gouv.qc.ca |
| Billy-Diamond Highway | km 460 to km 538 | June 8 to September 23, 2026 | Road rehabilitation, culvert replacement and guardrail replacement | Rough road surface in some areas. Reduced speed limit and presence of traffic controllers or pilot vehicles. Posted speed limits between 50 and 80 km/h. | Contact: Alain Andriamaro 873 995-2076 aandriamaro@sdbj.gouv.qc.ca |
| Billy-Diamond Highway | km 538 to km 620 | June 1 to October 31, 2026 | Road rehabilitation, culvert replacement and guardrail replacement | Rough road surface in some areas. Reduced speed limit and presence of traffic controllers or pilot vehicles. Posted speed limits between 50 and 80 km/h. | Contact: Alain Andriamaro 873 995-2076 aandriamaro@sdbj.gouv.qc.ca |
| Chisasibi Access Road | km 3 to km 90 | June 1 to August 10, 2026 | Road rehabilitation, culvert replacement and guardrail replacement | Rough road surface in some areas. Reduced speed limit and presence of traffic controllers or pilot vehicles. Posted speed limits between 50 and 80 km/h. | Contact: Alain Andriamaro 873 995-2076 aandriamaro@sdbj.gouv.qc.ca |
| La Grande-3 Access Road (LG-3) | km 0 to km 30 | May 8 to September 30, 2026 | Road rehabilitation, culvert replacement and guardrail replacement | Rough road surface in some areas. Reduced speed limit and presence of traffic controllers or pilot vehicles. Posted speed limits between 30 and 70 km/h. | Contact: Alain Andriamaro 873 995-2076 aandriamaro@sdbj.gouv.qc.ca |
| Wemindji Access Road | km 22 to km 65 | September 8 to October 12, 2026 | Granular resurfacing of the roadway | Alternating one-way traffic. Reduced speed limits and traffic controllers or pilot vehicles present. | Contact: Manamba Keita 873 95-5782 mkeita@sdbj.gouv.qc.ca |
| Route 19900 (Matagami–Lebel-sur-Quévillon Crossing) | km 34 | August 1 to October 31, 2026 | Bridge rehabilitation | Alternating one-way traffic. Reduced speed limit to 30 km/h. | Contact: Manamba Keita 873 95-5782 mkeita@sdbj.gouv.qc.ca |
| Route 167 | km 323 to km 342 | August 4 to October 7, 2026 | Granular resurfacing, guardrail upgrades and related work | Alternating one-way traffic. Reduced speed limits and traffic controllers or pilot vehicles present. | Contact: Manamba Keita 873 95-5782 mkeita@sdbj.gouv.qc.ca |