Traffic signal lamp for old community reconstruction traffic planning

The utility model discloses a traffic signal lamp for old community reconstruction and traffic planning, which comprises a base, a supporting mechanism, a mounting plate and a signal lamp, and further comprises an ash removal mechanism which is positioned on the front side surface of the supporting mechanism and is used for removing ash on the surface of the signal lamp, and a traveling mechanism positioned on the base. Dust on the surface of the signal lamp can be regularly cleaned conveniently, the brightness of the signal lamp is high, people can see the signal lamp clearly conveniently, a cleaning assembly in the dust cleaning mechanism cleans a brush assembly, and the situation that the cleaning effect on the signal lamp is poor due to the fact that a brush contains much dust is avoided; and meanwhile, after the moving mechanism drives the base and the signal lamp to move to proper positions, the moving mechanism moves upwards to be located in the mounting groove, so that the lower surface of the base is