Signs tacked, pasted, painted or otherwise attached to poles, posts, trees, fences, sidewalks or curbs, except for traffic control signs.
c.
Exterior signs using moving parts except clocks and temperature gauges.
d.
No sign other than official traffic control devices or street signs shall be erected within, or encroached upon, the right-of-way lines of any street unless specifically authorized by this or other ordinances or regulations.