Citybuses in Greater Bangkok are served by a state-owned citybus operator Bangkok Mass Transit Authority (BMTA) and private operators sub-contracted by either BMTA or Department of Land Transport. Since began operation, BMTA acted as the bangkok bus lines concessions owners. Private operators operated as a sub-contracted, They may run on the same routes as BMTA buses; Example: orange minibuses, cream-blue (or pink) 12 metre buses. These buses have the BMTA symbol on them, mostly seen below the driver's side window. These often follow slightly different route from the main big BMTA-bus or do not run along the whole route. However, these may cause a lot of problems such as reckless driving rushing between two buses from different lines that may serve on the same section of the road, subpar b