According to lane size and quality, arrange the type of roads in an ascending order.

A. Highway
B. Metalled Rural Roads
C. Expressways
D. Unmetalled Roads

Choose the correct answer from the options given below:

D, B, A, C

The correct ascending order of road types based on lane size and quality is:

D. Unmetalled Roads, B. Metalled Rural Roads, A. Highway, C. Expressways

D. Unmetalled Roads - Typically have gravel or earth surfaces and are of lower quality.

B. Metalled Rural Roads - Roads with a surface layer of compacted stone or asphalt, providing better quality than unmetalled roads.

A. Highway - Generally larger in size with multiple lanes and high-quality surfaces.

C. Expressways - Roads designed for high-speed traffic with controlled access and typically the highest lane size and quality.