a) Crossing: The provision of railway and road crossing should be properly studied. Dangerous road and rail crossing should be avoided.
b) Proper drainage: The provision of proper and sufficient drainage is necessary for the stability of the road and hence the road alignment should take into consideration factors like rain water, ground water etc…
c) Availability of local materials: For reducing the cost of construction and maintenance, it is necessary to have easy availability of natural materials like sand, gravel, soil etc…
d) The road should have good visibility at night and other climatic conditions
e) The alignment should be such that sufficient safety should be there while travelling on the road
f) The road should connect important points like school, places of tourist’s importance etc…
g) The road should be such that the slope and curves are easy.
h) It is desirable to have short distance between the two terminal stations.
i) It should provide economy in the cost of construction and maintenance.
j) The alignment should be safe for traffic operation.
k) The alignment should provide maximum utility by connecting important towns and group of villages.
l) The alignment should pass through regions of natural beauty and scenery to have good natural aspects