sentences:  City services are operated by five three-car trains, and the express services by four trainsets with a fourth car for check-in baggage.The first trains left Germany in September 2007, and testing in Bangkok began in March 2008.On 15 May 2012 the Thai Cabinet approved a budget of 5.2 billion baht for the SRT to order seven new, four car sets of Siemens Desiro rolling stock to be delivered by 2014.