A computer-implemented method for shaping, by a traffic shaping node device (1304, 1430, 1510), video data traffic in a packet switched communications transport network, the method comprising: determining a cell load level associated with a base station node that is representative of a data traffic load of a cell of the base station node; setting, based at least on the determined cell load level associated with the base station, one or more burst transmission parameters for video data transmitted by the traffic shaping node to the base station node; and transmitting video data to the base station node using the set one or more burst transmission parameters, wherein transmitting video data occurs in one or more burst transmissions that each include a plurality of packets that include video data, wherein determining the cell load level associated with the base station node is based on round trip time, RTT, of communication between the traffic shaping node and the base station node; and wherein determining the cell load level associated with the base station node comprises: determining a plurality of RTTs of a plurality of communications between the traffic shaping node and the base station node from a plurality of intervals of time; determining a plurality of interval load levels that includes respective interval load levels for each interval of time of the plurality of intervals of time based on RTTs of the plurality of RTTs; in accordance with a determination that at least a first number of interval load levels of the plurality of interval load levels match first time trend criteria, setting the cell load level to be a minimum interval load level of the first number of interval load levels; and in accordance with a determination that at least a second number of interval load levels of the plurality of interval load levels match second time trend criteria different from the first time trend criteria, setting the cell load level to be a maximum interval load level of the second number of interval load levels. determining a cell load level associated with a base station node that is representative of a data traffic load of a cell of the base station node; setting, based at least on the determined cell load level associated with the base station, one or more burst transmission parameters for video data transmitted by the traffic shaping node to the base station node; and transmitting video data to the base station node using the set one or more burst transmission parameters, wherein transmitting video data occurs in one or more burst transmissions that each include a plurality of packets that include video data, wherein determining the cell load level associated with the base station node is based on round trip time, RTT, of communication between the traffic shaping node and the base station node; and wherein determining the cell load level associated with the base station node comprises: determining a plurality of RTTs of a plurality of communications between the traffic shaping node and the base station node from a plurality of intervals of time; determining a plurality of interval load levels that includes respective interval load levels for each interval of time of the plurality of intervals of time based on RTTs of the plurality of RTTs; in accordance with a determination that at least a first number of interval load levels of the plurality of interval load levels match first time trend criteria, setting the cell load level to be a minimum interval load level of the first number of interval load levels; and in accordance with a determination that at least a second number of interval load levels of the plurality of interval load levels match second time trend criteria different from the first time trend criteria, setting the cell load level to be a maximum interval load level of the second number of interval load levels. determining a plurality of RTTs of a plurality of communications between the traffic shaping node and the base station node from a plurality of intervals of time; determining a plurality of interval load levels that includes respective interval load levels for each interval of time of the plurality of intervals of time based on RTTs of the plurality of RTTs; in accordance with a determination that at least a first number of interval load levels of the plurality of interval load levels match first time trend criteria, setting the cell load level to be a minimum interval load level of the first number of interval load levels; and in accordance with a determination that at least a second number of interval load levels of the plurality of interval load levels match second time trend criteria different from the first time trend criteria, setting the cell load level to be a maximum interval load level of the second number of interval load levels.