LT_SCALE is an add-on for AutoCAD with new commands for scale modification for LINETYPE and HATCH, registration of mileage in BLOCKs, modification of longitudinal profiles, 3D axis and roadside starting from 2D.-LSC multiplies with a number the scale of 'Linetype' for the selected entities,-HSC multiplies with a number the scale for the selected HATCHs,-PSC adjusts the scale for LINEs with 'Linetype'=POARTA*' for the selected LINEs,-KMP writes the mileage in the BLOCKs inserted on a POLYLINE,-YTE changes the Y texts of some points, relative to an origin point,-XTE changes the X text of some points, relative to X=0 of the current UCS,-PTE inserts elevation and slope with triangle on a POLYLINE,-P3D creates 3D axis and roadside, starting from 2D,-VOL calculates the volume of filling and digging.