| 摘要 |
A highway system for vehicular traffic which includes an intersection between a main road and a secondary road, each having two traffic directions separated by a center line. The main road has a barrier along its main section for preventing direct crossing by traffic from the second road, and bypasses for each traffic direction. It further has barriers for directing traffic into the bypasses. A further barrier defines a return stretch of the bypass, the return stretch not having a barrier and being such as to permit merging of the two opposite directions of the main road traffic.
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