Identify the correct statements about road transport:

(A) Highways are metalled or cemented roads connecting distant places
(B) Road transport is uneconomical for short distances
(C) Unmetalled roads are not effective and not serviceable for all seasons
(D) The quality of roads is same in all countries of the world

Choose the correct answer from the options given below:

(A) and (C) only

The correct answer is option 4: (A) and (C) only

A: Highways are metalled roads connecting distant places. They are constructed in a manner for unobstructed vehicular movement.

B: Road transport is the most economical for short distances compared to railways. Freight transport by road is gaining importance because it offers door-to-door service.

C. Unmetalled roads, though simple in construction, are not effective and serviceable for all seasons.

(D) The quality of roads is not same in all countries of the world