BEST routes are broadly classified into the following categories:
- Feeder Routes: Feeder Routes are initiated from either residential complexes
and/or business districts.
- East-west connectors: They run from East-West and vice versa. They run in
routes where railways has no role to play and connect the two suburbs to each other.
- Trunk routes: These routes run parallel to the railways and connect the North
to the South.
- AC express routes: These trains provide faster and better services to commuters
and run on the Eastern and Western Express Highways.
- AC standard routes: They are standard AC routes spread across the busiest
areas of the city.