too long, the result is rolling stock is full to the brim.

There are two lines a faster from Makkasan station and the normal City Line from Phaya Thai station which again directly linked to the BTS Station. It's somehow similar to most road traffic problems which are linked to the persons in uniform who control and do the traffic light switching.

This is right in the city center and runs via Makkasan and Bangkok City Airport Terminal (CAT), to the international airport. The airport side is an underground station beneath the main terminal. The CAT has 32 airline check-in counters, automatic baggage handling system, and the usual flight information for passengers. The eight-station double-track elevated and underground line will have automatic rail operation.

Maximum rail speed is160 km/h but actuallyis around 100 km/h. Two types of services are operated. The express service called SA run non-stop from Makkasan - CAT to the airport. A separate commuter rail called City Line run from Phayathai station to the airport and serve six intermediate stations.

There are also connections with SRT's local rails at a number of stations.The carriages are supplied by Siemens, one train unit consists of for four cars for the Express. They are equipped with a separate baggage compartment. The City Line operate five three-wagon units. Capacity can be increased by coupling three and four sets to a total of 10 cars.

They operate in 20 -30 minutes intervals; this can be decreased to 10 minutes but is never done. Actually, they could operate rails at two-minute intervals but