Any urban driving environment can be stressful because here, you can find various types of road users.
Road users include the vulnerable group or the pedestrian, the motorcyclist and the cyclist. They are considered vulnerable because they have high casualty rate and should be given special attention in road safety policy.
Other road users also include the buses, delivery vehicles, cargo trucks and the private vehicles.
The answer is 'share certain features'
The space time continuum meaning that time travel would be very much possible if humans could break the barrier of the 4th dimension
Have a label warning of this on it. Hope this helps!