A method for measuring traffic information regarding the movement of a mobile station, MS, conducted by a traffic information analyzing device interworking with a radio operating device connected to a base station subsystem, BSS, of a synchronous code division multiple access, CDMA, network wherein the BSS includes a base transceiver stations, BTS, having a communication interface to a mobile station, MS, and a base station controller, BSC, managing radio resources of the BTS, wherein the method comprises the steps of: acquiring a location information message of MS, which is provided from the BSC of the BSS, stored in the radio operating device, and sent by the BSC to the traffic information analyzing device upon request of the traffic information analyzing device or by the BSC itself; analyzing location information of the MS by utilizing the location information message, wherein the location information includes RTD of the MS periodically sent from the BTS and, Pseudo Noise_Phase, PN_PHASE, information obtained from a periodic pilot strength measurement message, PPSMM, a Pilot Strength Measurement Message, PSMM, or a pilot measurement report message, PMRM collected at the BTS during handover; and calculating traffic information of the MS including a moving speed of the MS in each measurement region by using the analyzed location information, characterized in that the following step is executed before said step of acquiring: the traffic information analyzing device controlling the radio operating device to selectively activate a location information collecting function of a specific sub-cell among sub-cells of the synchronous CDMA network for minimizing loads on the system during the location information collecting process by activating specific Mobile service Switching Center, MSC, Base Station Controller, BSC, Base Transceiver Station, BTS, Sector, SEC, and MS service frequency, FA, among a plurality of systems composing the synchronous CDMA network, wherein the traffic information analyzing device executes: obtaining latitude/longitude data of BTS covering the MS, Pseudo Noise, PN, information, antenna direction and relay latitude/longitude data by interworking with Network Management System, NMS; and calculating a moving distance and a moving speed of the MS in each measurement region by calculating a distance between BTSs using the BTS latitude/longitude data corresponding to the location information of the MS analyzed in the analyzing step, and recognizing a current location of the MS using at least one selected from the PN_PHASE, or Round Trip Delay, RTD, included in the location information message. acquiring a location information message of MS, which is provided from the BSC of the BSS, stored in the radio operating device, and sent by the BSC to the traffic information analyzing device upon request of the traffic information analyzing device or by the BSC itself; analyzing location information of the MS by utilizing the location information message, wherein the location information includes RTD of the MS periodically sent from the BTS and, Pseudo Noise_Phase, PN_PHASE, information obtained from a periodic pilot strength measurement message, PPSMM, a Pilot Strength Measurement Message, PSMM, or a pilot measurement report message, PMRM collected at the BTS during handover; and calculating traffic information of the MS including a moving speed of the MS in each measurement region by using the analyzed location information, the traffic information analyzing device controlling the radio operating device to selectively activate a location information collecting function of a specific sub-cell among sub-cells of the synchronous CDMA network for minimizing loads on the system during the location information collecting process by activating specific Mobile service Switching Center, MSC, Base Station Controller, BSC, Base Transceiver Station, BTS, Sector, SEC, and MS service frequency, FA, among a plurality of systems composing the synchronous CDMA network, obtaining latitude/longitude data of BTS covering the MS, Pseudo Noise, PN, information, antenna direction and relay latitude/longitude data by interworking with Network Management System, NMS; and calculating a moving distance and a moving speed of the MS in each measurement region by calculating a distance between BTSs using the BTS latitude/longitude data corresponding to the location information of the MS analyzed in the analyzing step, and recognizing a current location of the MS using at least one selected from the PN_PHASE, or Round Trip Delay, RTD, included in the location information message.