Because cars fundamentally function completely different to bicycles....
Traffic lights and stop signs were implemented to deal with 900kg machines that can travel up to 60, 80, 100 km/h - these machines kill hundreds of people a year, and it used to be higher.
Bicycles weigh about 15 kg and would average 30 km/h, slower if you got head wind / incline to deal with.
but we treat these two exactly the same when it comes to traffic laws... makes sense, yeah?
Traffic lights and stop signs were implemented to deal with 900kg machines that can travel up to 60, 80, 100 km/h - these machines kill hundreds of people a year, and it used to be higher.
Bicycles weigh about 15 kg and would average 30 km/h, slower if you got head wind / incline to deal with.
but we treat these two exactly the same when it comes to traffic laws... makes sense, yeah?