To GP's point, the poles are privately owned. The Cable TV company put them there, or the telephone, or other utility. If you want to use space on their poles,

To GP's point, the poles are privately owned. The Cable TV company put them there, or the telephone, or other utility. If you want to use space on their poles, you have to rent it, or install your own poles. Both happen. On the road I live on, there are power lines on one side of the road which also carry telephone lines. Cable TV (Comcast) has poles on the other side of the road.