oa Civil Engineering = Siviele Ingenieurswese - Some early South African road traffic regulations
Extracted from text ... Text Graham RossReferences available on request Some early South African road traffic regulations TO START OFF, let me muse as to whether it is right to travel on the left. In about 1000 BC the approaches to Tyrins, the Arcadian Greek fort near Argos, were designed so that the gate sentries had a clear view of the right sides of approaching people. This enabled them to see whether their swords were sheathed (friends) or drawn (unfriendly people) and to take any necessary action. It had to be the right side because shields were carried on the left arm. ..
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