Motorway M11

This initial 43-kilometre motorway segment is the first part of a major, 650-kilometre motorway project for the M11, which will connect Moscow and Saint Petersburg. This motorway is designed to reduce travel time considerably by relieving M10, one of Russia’s busiest highways. This initial segment is 43 kilometres long, from the MKAD, Moscow’s outermost ring road, to outlying areas, including the cities of Khimki, Dolgoprudny, Skhodnia, and Zelenograd. It consists of a dual 5-lane carriageway for the first 15 kilometres, then transitions to a dual 4-lane configuration for the next 8 kilometres, and, finally, a dual 2-lane configuration for the last 20 kilometres. The segment features 39 wide-ranging engineering structures, including one major, 330-metre bridge, five multi-level interchanges, seven toll stations, four rest stops, and two maintenance and operations centres.

 

BACKGROUND

Since the 1960s, Moscow has experienced soaring demographic growth. Its population has doubled in 50 years to attain 12 million in 2016. Accordingly, car traffic has also grown spectacularly since the end of the 1990s, creating major congestion. That is why municipal authorities decided to build new roadways to ease the flow of traffic. This motorway project focuses on a particularly congested sector (with nearly 140,000 cars every day).
Between Moscow and Saint Petersburg, toll motorway M11 goes from Moscow and crosses an oblast (a Russian term for an administrative region) for 90 kilometres, then Tver (253 km), Novgorod (233 km) and Saint-Pétersbourg (75 km), covering a total distance of about 650 kilometres. Construction of the motorway has been divided into eight sections.
The first segment of the motorway (operated by a consortium that includes VINCI Highways) was inaugurated in 2015.

TECHNICAL OVERVIEW

The bridge above the Moskova canal is the largest of the 39 bridges that will be built as part of this project. It features a 150-metre central span and two 90-metre end spans.
The deck consists of two steel decks made up of an orthotropic slab, with each steel frame weighing 4,050 tonnes.
The two decks are identical and are each 25 metres wide and 3.6 metres high throughout. Each deck consists of a double caisson 4.5 metres wide. The decks were incrementally launched in four successive phases using two push jacks, each exerting 200 tonnes of force, anchored on steel beams.

In all, 325 engineering structures were built (bridges, viaducts, underground passageways) as well as 36 interchanges. Depending on the location, the motorway includes 4, 6, 8 and even 10 lanes, each 3.75 metres wide, with a central reservation 6 metres wide.

IMPACT

Motorway M11 meets the most stringent European standards with respect to technical specifications, environmental integration, minimising footprint (with a 30% reduction in surface area required as compared with the initial project), free water movement, and protection from noise pollution for local residents.
In addition, an environmental protection and sustainable development program was created. It calls for the implementation of noise-attenuation barriers, new vegetation and green spaces, passageways for wildlife, and the treatment of stormwater and snow-melt runoff.
This motorway adds to our list of accomplishments in Russia, which includes the Lefortovo roadway tunnel in Moscow, the Piter Raduga centre in Saint Petersburg, and the metro line in Saint Petersburg.

Project participants

Client
North-West Concession Company (NWCC)

Key figures

Implementation dates
April 2010 to March 2015    

Backfill materials
5.5 million m³

Concrete
100,000 m³

Surface area of the decks
46,000 m²

Find out more

www.batiactu.com

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