Convex mirror reflecting a curved road and greenery, with clear sky, safety concept

convex mirror road safety reflection curved road greenery roadside traffic mirror clear sky outdoor safety equipment visual aid street japanese house foliage safety concept secure driving navigation mirror image road curvature traffic safety visual assistance driving transportation journey travel roadside equipment traffic aid road feature clear visibility sunny day day time safe travel visual clarity peripheral vision distortion wide angle observation watchfulness drivers aid traffic management preventive measure situational awareness japan traditional