Transport by train. In the past, a railway steam locomotive, and later of the chakradisen era, it gradually replaced and today is the Metro mass transit system, which is a trough in the Bangkok area.
Transportation by train In the past a steam train. And the subsequent generation of diesel locomotive and gradually replace the current Metro. The rapid transit system in Bangkok.
Transport by train in the railway as a steam locomotive. And it shall come to pass, the era of diesel locomotives was gradually replaced, and currently is a train. Which is a rail mass transit system in Bangkok metropolitan area.