what is bus rapid transit and its difference from regular bus mode?

Answer 1

Limited stops and a fully reserved bus lane.

Answer 2

Usually it's a direct run or with very limited number of stops en route.

Answer 3

A specific service from A to B with limited, or no intervening stops.

Answer 4

Bus rapid transit refers to a system where only the bus uses the road or route.  It has very few stops, unlike regular buses that stop at every street corner.