A road data computer implemented processing method, comprising: acquiring a road unit in a road network and trajectories of vehicles travelling on a road represented by the road unit, wherein the road unit is a first line segment representing the road in the road network, the trajectories are included in vehicle trajectory data for a plurality of consecutive days through the road represented by the road unit; establishing a road vertical line for the road unit, and determining points of intersection of the trajectories and the road vertical line, wherein the road vertical line belongs to a plane where the road unit and the trajectories are located, and the road vertical line is orthogonal to the road unit; determining a width of the road on the road vertical line according to position data of the points of intersection, wherein the width is a second line segment extending along the road vertical line and intersecting with the road unit; and determining a midpoint of the second line segment as a road center point corresponding to the road vertical line, wherein the determining the width of the road on the road vertical line according to the position data of the points of intersection comprises: performing a clustering analysis on the position data of the points of intersection by using a Gaussian mixture model, to obtain a position area corresponding to the points of intersection under a preset confidence level; and determining the position area as the width of the road on the road vertical line, wherein the method further comprises: dividing the position data of the points of intersection corresponding to the road unit into a plurality of partition data according to grid regions the position data of the points of intersection belong to, according to position information of the road; storing the position data of the points of intersection in a file system in a form of picture frame division; indexing the partition data in each partition by taking an identification of the road unit and a subscript corresponding to the road unit in the partition data as a key-value pair, to obtain index data; and determining the width of the road on the road vertical line, according to the position data of the points of intersection acquired from the index data. acquiring a road unit in a road network and trajectories of vehicles travelling on a road represented by the road unit, wherein the road unit is a first line segment representing the road in the road network, the trajectories are included in vehicle trajectory data for a plurality of consecutive days through the road represented by the road unit; establishing a road vertical line for the road unit, and determining points of intersection of the trajectories and the road vertical line, wherein the road vertical line belongs to a plane where the road unit and the trajectories are located, and the road vertical line is orthogonal to the road unit; determining a width of the road on the road vertical line according to position data of the points of intersection, wherein the width is a second line segment extending along the road vertical line and intersecting with the road unit; and determining a midpoint of the second line segment as a road center point corresponding to the road vertical line, wherein the determining the width of the road on the road vertical line according to the position data of the points of intersection comprises: performing a clustering analysis on the position data of the points of intersection by using a Gaussian mixture model, to obtain a position area corresponding to the points of intersection under a preset confidence level; and determining the position area as the width of the road on the road vertical line, wherein the method further comprises: dividing the position data of the points of intersection corresponding to the road unit into a plurality of partition data according to grid regions the position data of the points of intersection belong to, according to position information of the road; storing the position data of the points of intersection in a file system in a form of picture frame division; indexing the partition data in each partition by taking an identification of the road unit and a subscript corresponding to the road unit in the partition data as a key-value pair, to obtain index data; and determining the width of the road on the road vertical line, according to the position data of the points of intersection acquired from the index data.