The WHSD project, currently under construction in St. Petersburg, will provide Russia with its first urban high-speed toll highway, which will be 46.6 kilometers long and will significantly improve mobility in the city.
47 kilometers, with 14 grade-separated crossings. The highway has sections that can range from
four to eight lanes for vehicle traffic.
Thanks to its construction, traffic on some of the Russian city’s roads will be reduced, significantly improving the environmental situation. It also facilitates travel to the northwest of St. Petersburg, an area that has experienced rapid growth in recent years.

On the Western High-Speed Diameter, the maximum speed limit will be 110 kilometers per hour. The capacity could be about 94,000 vehicles per day.
The project is divided into three sections: North Section and South Section, which have been completed, and the Central Section, which is currently in the implementation phase.

Western High-Speed Diameter (WHSD) It is the world's largest highway project carried out through public-private partnerships (PPPs).

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