Grand Ida project: one-off partial closure of Dorsale spine road

Due to the progress of the work on the Grand Ida project, changes will be introduced to the traffic flow on the Dorsale spine road at the entrance to the city.

Between 9 am and 4 pm from 1 to 5 August, a single lane will be available between the Aureglia and Canton underground roundabouts travelling from Monaco to Nice.

The roundabouts will remain in use and their other entrances and exits will not be affected.

This partial closure represents a continuation of the work carried out in April to create access to the future underground car park (the entrance will link to the Dorsale spine road tunnel and the exit to the Fontvieille downhill tunnel). Since the latest work entails switching off the smoke exhaust ventilation systems, the Dorsale spine road tunnel must be made one-way only for safety reasons.

To maintain quality of life for nearby residents (those living in the Jardins d’Apolline and Hélios buildings), the Government will again ensure that this work is carried out only during the day.

The Grand Ida project is set to deliver 160 state-owned apartments by 2023 as part of the National Housing Plan.

The Grand Ida project is underway in the Plati district, above Place Canton and behind a covered section (Dorsale spine road) which includes roads and underground roundabouts. The project is contributing to a radical transformation of the district, with a new energy, composition, shape and connections.
The future complex will comprise state-owned and private housing, a car park, a crèche, an adult day care centre and assisted living facility, offices and shops. Delivery of the buildings which will house the state-owned apartments is scheduled for the fourth quarter of 2023.