ISLAMABAD : Pakistan Railways will initiate upgradation work of signaling system on emergency basis between Shahdara and Raiwind, for launching of a Metro Train.An official source to APP, a high level meeting was held to review Metro Train Service, attended by Minister for Railways Khawaja Saad Rafique, representatives of the Punjab government, Lahore Transport Company Chairman and others senior officials. During the meeting they discussed the resources required for the train, condition of level crossings at the train track, flyovers and underpasses. The Minister for Railways had directed Pakistan Railways administration to present details of the level-crossings as soon as possible after proper work on it.