An apparatus to aid in the layout of hashed lines, particularly for laying out lines in parking lots near parking islands and handicapped parking spots is herein disclosed, comprising a large push broom on wheels. Two (2) canisters of marking chalk project downward from a main horizontal member and are spaced so as to produce parallel chalk lines or chalk dots within no parking areas in a parking lot. A guide arm is located on a side of the apparatus such that it can trace the last set of dots and produce two (2) more in an offset, but equally-spaced manner.