What are advantages and disadvantages of road transport?

Explanation

Advantages:
Most economical for short distance compared to railways.
Freight transport by road is gaining importance as it offers door to door service.
Roads are cheaper, easier and simple to construct and maintain than the railways.
They can be taken through any terrains and negotiate bends unlike railways.
Since railways cannot be taken to every corner, so roads play an important role in nation.s trade and commerce and for promoting tourism.
Disadvantages:
Unmetalled roads are not effective and serviceable throughout the year, even the metalled roads become unmotorable during heavy rains and floods.
Carrying capacity of roadways per vehicle is much lower than the railways.
The quality of roads in the developing countries is not good as it requires heavy investment for construction and maintenance.
City roads suffer from chronic traffic congestion. As a result of this most of the cities face the problem of traffic congestion.