Traffic looks set to be difficult for the coming months in Combe de Gières. Major work is beginning to lay a pipeline which will carry wastewater from the Sonnant wastewater treatment plant, in Saint-Martin-d’Uriage, to the network of the Grenoble metropolis. Traffic will be heavily impacted for several months – the work is expected to last until the summer of 2026 – since alternating traffic is put in place on the departmental 524, used every day by nearly 14,000 vehicles.
A first phase of work begins this Monday, October 21 and will last until November 3. A work-study program will be set up during the week, absent on weekends. The road will then be freed before the construction site resumes in earnest on November 25, with alternating traffic 7 days a week, 24 hours a day.
Take public transport
Motorists will have to be patient during this work since they will have to stop for several minutes to cross the area. To try to limit traffic jams, the Grenoble metropolis encourages people to take public transport as much as possible. The lines which serve the sector keep their usual route.
Line 23 which connects Vizille to the university area will be reinforced with a bus every 15 minutes during peak hours and a bus every 30 minutes during off-peak hours. The line operates from 6 a.m. to 10 p.m. on weekdays, until 8 p.m. on Sundays. Traffic information during the works is detailed on the M Réso website.
The Chamrousse station worries about its attendance
This major project concerns the Chamrousse ski resort, which fears a drop in attendance this winter, due to traffic jams. “We have concerns about our local customers with the Grenoble customers who regularly come up to ski with us” explains Christopher Hardy, the director of the resort’s tourist office. If there is snow even at low altitude, “People will encounter this traffic jam once, twice, three times and perhaps decide to go skiing elsewhere because the roads are smoother. We hope that their love for Chamrousse will help divert them onto another route! “
In particular, it is possible to go up to the station via Eybens and Brié-et-Angonnes but Chamrousse also hopes that this will be an opportunity to encourage its customers to travel by public transport with the N933 line which merges the old bus lines and serves the station. According to M Réso, a bus with 75 passengers avoids around 50 cars on the road.
