A few figures are enough to give an idea of the scale of the network to be maintained.
In Île-de-France, the “Unconceded national road network” managed by State services extends over 1,300 km (almost the distance from Paris to Rome).
It has 300 interchanges, 25 tunnels, more than 1,200 bridges and viaducts… And these infrastructures are deteriorating faster than elsewhere because of their very high use.
With 4 million daily users, excluding weekends and holiday periods, the Ile-de-France road network is in fact the busiest in France.
32 km of renovated roadways.
So many good reasons for the Dirif (Direction des routes d'Île-de-France) to take advantage of the drop in traffic during the summer period to intensify its major maintenance projects, hoping not to create too much pollution on the roads. Even if the work program is a little less dense than that of the summer of 2020 - which had been marked by “catching up” sites after the first confinement - it remains however very substantial. It should allow, as a priority, roadway renovations and the laying of a new coating on a “linear with a total length of 32 km”.
“H 24” sites on the main roads.
Dirif thus identifies 26 areas where work will take place between now and September 2021, against 35 in 2020 ... and only 21 a year earlier.
Some will only result in nightly shutdowns
(see infographic)
.
But other projects, carried out continuously, will require the total closure to the circulation of sections on certain major axes.
This will be the case on the A6 and A3 motorways in Essonne and Seine-Saint-Denis, the national 10 in Trappes (Yvelines) or the national 1 104 closed throughout the Mesnil-Amelot (Seine-et-Marne) crossing. to allow the construction of the eastern bypass of Roissy airport.
TO PRINT
Summer works on the main roads of Île-de-France
“Recycled” bitumen for the A6 motorway.
Like other large, busy axes, the A6 motorway had already been fitted, during previous summer work campaigns, with a new “noise-reduction” asphalt on certain very urban sections. This time, it is a “sustainable” asphalt (composed of 40% recycled materials) which will be laid on the road at Wissous and Chilly-Mazarin (Essonne). The site will require the closure of the motorway, in the direction of Paris province, from August 16 in the evening to Friday August 20 in the morning. The same coating "with a high recycling rate" will also be used on the N 184 in Val-d'Oise, closed almost all month at Villiers-Adam.
One less bridge over the A3.
Traffic difficult to predict around August 15 at the “east” entrance to the capital in Seine-Saint-Denis. The A3 motorway will be closed (in both directions) from Porte de Bagnolet to Rosny-sous-Bois, from August 12 at 10 p.m. to August 18 at 5 a.m. At issue: not road improvements but the demolition of existing infrastructure. This will involve removing the access ramp connecting the ex-A186 to the A3. This bridge which overhangs the A3 motorway no longer accommodates any vehicle since the demolition of the A186 which sank into Montreuil and which will give way to the extension of the T1 tramway and to "peaceful" traffic lanes on both sides. other of the rails.
Private national 10 hatches for 3 days.
It's time for the “requalification” of the N 10 at Trappes (Yvelines).
With one year behind the initial schedule, due to the health crisis, the first phase of this major landfill project for the ultra-borrowed road axis as it crosses the city center starts in mid-August.
For now, it is "only" a question of demolishing the Marcel-Cachin bridge which spans the N 10 at the level of the town hall.
This operation will require the closure of the national, in both directions, from August 16 to 18 inclusive.
Alternative routes will be put in place.
The demolition of the old A186 exit ramp overlooking the A3 will require the motorway to be closed for five days.
Benoit Hasse
The A86 tunnels closed for several nights.
No “day” closure on the menu… but beware of traffic jams when setting up detours at the end of the day (from 9:30 pm) on the A86. The modernization and safety equipment program for the Fresnes (Val-de-Marne) and Antony (Hauts-de-Seine) tunnels is continuing this summer and requires several nights of closure of both directions of traffic on the motorway axis. The work scheduled for this summer (and carried out mainly on the surface on the tunnel cover slab) provides for the creation of new ventilation kiosks and the strengthening of the waterproofing of the infrastructure.
The N 118 makes room for buses.
The “dedicated route” has already been operational since the start of the year, in the direction of Paris province. In the opposite direction, this will be the case from October 2021. The second phase of the work to create a reserved lane for buses on the national 118 between Meudon (Hauts-de-Seine) and Vélizy (Yvelines) began last spring. on the side not yet equipped with the main road. Their intensification during the summer will result in several nights of closure of the national, in the direction of Paris first, then in the opposite direction. The creation of these "dedicated queues" on the emergency lane so as not to reduce the space left to the many motorists who use the axis will cost 5 million euros, financed in equal parts by the State and the region.