The Orange Line will start from Min Buri as elevated structure on Ram Khamhaeng Road (former Suka Phiban III Road) from eastern suburb in Min Buri district and goes underground near Lam Sali intersection in Bang Kapi district, also transfers to Light Yellow Line project.
The Orange Line will be continued from elevated structure on Ram Khamhaeng Road (former Suka Phiban III Road) of the Brown Line project from eastern suburb in Min Buri district. The Brown Line then goes underground and starts as the Orange Line at Lam Sali intersection in Bang Kapi district, also transfers to Light Yellow Line project.