The planting of trees along road side is called ______

The studies prepared for environmental studies are called ______

The point that should not be considered for a better highway is?

The cross drainage structure of a highway is considered in which aspect?

What is the desirable distance for a tree from the carriage way?

The number of trees required for 1 km of length in nursery are ______

The number of factors to be considered during the road side development studies are ______

The trees in urban areas are provided for ______