Highway Engineering
The diagram which shows the approximate path of vehicles and pedestrians involved in accidents is known as

condition diagram
spot maps
collision diagram
pie charts

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Highway Engineering
The entrance and exit curves of a rotary have

equal radii but pavement width is more at entrance than at exit curve
different radii and different widths of pavement
equal radii and equal widths of pavement
equal pavement widths but radius is more at entrance curve than at exit curve

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