Editing Speed limit (section)

=== Vienna Convention on Road Traffic ===

In countries bound by the [[Vienna Convention on Road Traffic|Vienna Conventions on Road Traffic]] (1968 & 1977), Article 13 defines a basic rule for speed and distance between vehicles:<ref>[[Vienna Convention on Road Traffic]]</ref>

{{Blockquote|Every driver of a vehicle shall in all circumstances have his vehicle under control to be able to exercise due and proper care and to be at all times in a position to perform all manœuvres required of him. He shall, when adjusting the speed of his vehicle, pay constant regard to the circumstances, in particular the lie of the land, the state of the road, the condition and load of his vehicle, the weather conditions and the density of traffic, so as to be able to stop his vehicle within his range of forward vision and short of any foreseeable obstruction. He shall slow down and if necessary stop whenever circumstances so require, and particularly when visibility is not excellent.}}