A method for automatically synchronizing track geometry measurement data, • wherein a measurement is in each case carried out by means of a plurality of measuring channels in response to different inspection runs along a railway track, • wherein the measurement data of different measurements are locally shifted and/or distorted relative to one another and the local shift and/or distortion does not appear constantly across the entire measurement, • wherein the measurement is selected as reference in response to a first inspection run, • wherein route points located at a distance from one another are determined by means of constant scanning steps, • wherein the measured values at the newly calculated constant route points are determined by means of interpolation methods from the measurement data of the reference measurement and this is carried out for all measuring channels of the reference measurement, • wherein these measured values are used as reference values and the reference values are in each case divided into sections, • wherein the sections overlap, • wherein the measurement data to be synchronized of a second measurement are also divided into overlapping sections in response to a second inspection run, • and the local shift relative to one another is determined by means of a maximum of the cross-correlation function of the two measurements for each section pair of a measuring channel consisting of a section of the reference measurement and the corresponding section of the second measurement to be synchronized, • and an offset, which is generally not linear, is determined from the local shifts of all section pairs, and is used for all measurement data of all measuring channels of the second measurement to be synchronized, and the shift and/or distortion are thus compensated, • and the measured values of the second measurement to be synchronized are calculated at the determined route points, • and the determined measured values of the first measurement and the calculated measured values of the synchronized second measurement thus have the same location coordinates. • wherein a measurement is in each case carried out by means of a plurality of measuring channels in response to different inspection runs along a railway track, • wherein the measurement data of different measurements are locally shifted and/or distorted relative to one another and the local shift and/or distortion does not appear constantly across the entire measurement, • wherein the measurement is selected as reference in response to a first inspection run, • wherein route points located at a distance from one another are determined by means of constant scanning steps, • wherein the measured values at the newly calculated constant route points are determined by means of interpolation methods from the measurement data of the reference measurement and this is carried out for all measuring channels of the reference measurement, • wherein these measured values are used as reference values and the reference values are in each case divided into sections, • wherein the sections overlap, • wherein the measurement data to be synchronized of a second measurement are also divided into overlapping sections in response to a second inspection run, • and the local shift relative to one another is determined by means of a maximum of the cross-correlation function of the two measurements for each section pair of a measuring channel consisting of a section of the reference measurement and the corresponding section of the second measurement to be synchronized, • and an offset, which is generally not linear, is determined from the local shifts of all section pairs, and is used for all measurement data of all measuring channels of the second measurement to be synchronized, and the shift and/or distortion are thus compensated, • and the measured values of the second measurement to be synchronized are calculated at the determined route points, • and the determined measured values of the first measurement and the calculated measured values of the synchronized second measurement thus have the same location coordinates.