Tags: Railway Line.
The Grey Line (Vatcharapol – Lat Phrao – Rama IV – Rama IX Bridge) is one of the planned monorail line in Bangkok Thailand. Its path runs along the north – south axis. This line is to support the growth of residential areas around Pradit Manutham Rd. and the Sathupradit area in Yan Nawa District. The route runs from Ram Indra Road on the northeast outskirts of Bangkok down south through Pradit Manuthum Rd. along the Chalongrat Expressway going into the downtown district of Thong Lo.