There are provided a system and a method of controlling traffic in a cellular network comprising a plurality of controlled access points (APs) configured to serve passengers in one or more trains moving in accordance with a train schedule. The method comprises: prior to a scheduled event associated with an expected substantive increase of passengers to be served by an AP, obtaining expected classification results indicative of an expected, during the scheduled event, load of the AP with respect to a downlink and/or uplink load thresholds; and at a scheduled time enabling providing pre-configured provisioning actions in accordance with the expected classification results. The method can further comprise collecting data informative of moving, responsive to moving the one or more trains in accordance with the train schedule, load between APs; and processing the collected data to obtain data informative of the expected load of the AP during the scheduled event.