Final answer:
The maximum allowable width of any vehicle depends on various factors, including local regulations and road infrastructure.
Step-by-step explanation:
The maximum allowable width of any vehicle depends on various factors, including local regulations and road infrastructure. However, there are certain guidelines and safety considerations that can help determine a practical limit for the width of vehicles.
In the given context, the width of an average car is mentioned as 2 meters. However, this measurement is related to pedestrian safety while crossing the road and does not represent the maximum allowable width of any vehicle.
To address the question accurately, it is necessary to consider the specific regulations and standards of the region or country in question.