Road intersection construction for traffic control

Road structure – process – or apparatus – Road system

Patent

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Details

404 71, E01C 700

Patent

active

049866923

ABSTRACT:
An intersection of a main road and a branch road is described. A safety island is provided longitudinally parallel to the main road at the center line of the intersection. The safety island prevents cars from the branch road to cross the intersection. Circular detour roads beneath or above the main road are provided for traffic circulation. Underground passages for motorcycles and pedestrians may be provided beneath the intersection to eliminate interference with car traffic. Cars on the inner lane of the main roadway then can proceed through the intersection without interruption.

REFERENCES:
patent: 1981361 (1934-11-01), Jones
patent: 3238854 (1966-03-01), Okubo

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