Mumbai Suburban Section of Western Railway has been playing the most crucial role of moving millions in the Metropolitan regions. Western Railway suburban trains cover almost the distance up to moon in one week. The suburban section of Western Railway in Mumbai extends from Churchgate, the city's business centre to Dahanu Road covering a distance of 123 Kms. and 36 stations. The first electric train on this section was introduced in 1928 between Colaba and Andheri, since then the network has been extensively widened with 1305 services running and carrying about 35 lakh commuters every day almost round the clock. The passenger density on Western Railway is 60,000 passengers per km per day which is highest among all the leading Metro Railways of the world.