Traffic management and road safety questions
Question: Why are alterations made to the highway when there does not seem to be a problem?
Sophisticated software is used to predict the future impact that general growth or increased flows generated by a specific development will have on the highway network.
This software assists in identifying locations at which alterations are required to improve or maintain the flow of traffic and are usually introduced before predicted flows reach the point at which delays will be experienced.
Recognised methods that are considered where additional capacity is required on the highway network are:
- Construction of additional lanes approaching a junction.
- Installation of traffic signals.
- Introduction of a priority controlled roundabout.
- Installation of traffic signals on an existing roundabout.
- Grade separation.
Question: Why are traffic signals installed?
Question: Why do I sit waiting at a red signal when there are no opposing vehicles?
Question: I have seen traffic signals with right turn arrows that never seem to appear. Why is this?
Question: At pedestrian crossings why does the ‘green man’ time seem so short?
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