pole, poll

Pole or pole means a round post or pillar--like what a traffic signal or sign may be mounted on--or telephone wires may be strung on it--
The car hit the pole and knocked it down.
People staple signs to telephone poles.

Poll or poll ( rhymes with pole ) means to take a survey of people's opinions or ideas. Poll may refer to the survey itself or to the act of taking the poll--
The political party sponsored an opinion poll.
Someone stopped us to ask questions for a poll on the next election.
He intends to poll the voters, to see if they favor the proposed legislation.

Now that you know that, you can say--
"The town set up a poll to ask people their opinions on the new traffic poles."

Note--not to be confused with "Pole", meaning a person from Poland--always capitalized--
He was a Pole, and got homesick for kielbasa and sauerkraut.
Note a "pol" ( rhymes with doll ) is a career politician, usually meaning a local politician--
The old pol hasn't missed an election in more than 50 years.