City suspended transport


1) Speed — up to 150 km per hour.
2) Capacity of rolling stock:
passengers — up to 100 persons;
freight — up to 10 tons.
3) Declivity (downward slope) — up to 15%, at special design - up to 30%.
4) Haul distance — up to 200 km.
5) Volume of high-speed city transportation:
passengers at rush hour — up to 25 thousand people on one haul distance;
freight — up to 1,000 tons per day on one haul distance.
6) Estimated value of city high-speed track, without the cost of rolling stock, passenger terminals and infrastructure is from $ 1.5 million per km.
7) The cost of city high-speed transportation is twice less as the self - cost of underground transportation, three times lower than transportation by car, and five times lower than monorail.



1) Decrease in capital construction costs through:
significant reduction of land take for tracks for track and infrastructure;
elimination of roadway, transport tunnels, bridges, crossovers, multilevel transport junctions, overground- and underground pedestrian crossings;
the fact that   rugged  topography,  low strength of underlying subgrade or complex geographical and climatic conditions do not lead to higher costs of the rail string elevated structure;
reducing  in a bigger scale  the resource intensity of a rail string elevated structure,  compared to the traditional transport  elevated structure with continuous roadway.
2) Decrease of operating costs through:
a reduction of energy and fuel consumption;
a reduction of the costs for  operational staff   and their salary;
a large reduction in engineering works as well as repair and recovery activities;
eliminating the need to clean roads from sleet and snow in winter.
3) High-speed city transportation reduces costs undertaken by passengers and freight by at least three times.
4) The possibility of sparing development and  comfortable  inhabitation in  the  hard-to reach  new territories :  islands, mountains , sea shelfs, etc.
5) Increasing the reliability and security of all-weather and year-round service of high-speed city transport system in any natural climatic conditions.
6) The possibility of combining Sky Way structure and supports with overhead and cable power lines and communication lines – wire, fiber optical, radio relay and cellular lines.



1) Low resource and energy consumption  at all stages of  high speed transport system  life circle ( design, construction,  operation and dismantling).
2) The city string  elevated structure does not encroach on the landscape,  biogeocenose and biodiversity  of the  surrounding area.
3) The road does not  destroy  the fertile  soil and the vegetation growing in it.
4) The suspended transport system does not prevent:
motion of ground and surface waters;
movement of people, domestic and wild animals;
the work of agricultural, construction  and  special equipment.



1) The high-speed rolling stock is equipped with a “running-off” prevention system.
2) There is a tenfold increase on the bearing load of the string elements in the elevated structure.
3) Resistance to frost and ice, snow drifts, fog, dust and sand storms.
4) Operation reliability at any extreme air temperatures.
5) High resistance to vandalism and terrorist attacks.
6) Resistance to natural disasters:
earthquakes — with magnitude up to 10 points on the Richter scale;
floods, river overflows — with the water depth up to 10 meters and more;
hurricane wind — with the speed up to 250 km per hour or more;
tsunami — with the wave height up to 20 meters and more.


Yunitskiy transport system (STU) in questions and answers. 100 questions - 100 answers

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