Speed although an important factor is not the root cause of road deaths. Lack of patience and unroadworthy vehicles are the causes. 5 - Annual licence renewal complete with eye tests for all drivers of public service and heavy vehicles to be carried out by law. Even with these somewhat drastic measures, the one thing all motorists need to practise is patience. I have been in the UK for 9 months and have never witnessed one account of road rage.
Road rage carries a huge pentalty here and it seems to work in avoiding the stress.
Road deaths caused by bad driving of overloaded multi-passenger vehicles 3. Heavy-vehicles driven with no consideration of other vehicles. There are many other categories of causes. A robot light can change to any color in the rainbow, but nothing can stop them from just crossing the streets without even looking out for oncoming traffic. Another pain in the neck are these week-end cyclists.