US law basically says that anyone can take a picture of you (there may be restrictions on the commercial use of a picture without the permission of the subjects, but your permission is not required simply to take the picture), so sure.
maybe maybe not because the might think you look suspicious
Added: Nowadays almost every agency has video cameras in their patrol units and EVERYBODY is taped.
One can become a traffic police officer by applying at the police station of your choice. Traffic police officer are not required to have a degree other than a high school diploma.
yes i do have picture of elvis and a police officer in detroit
The whole point of having a police officer directing traffic is that he will override the traffic signals in order to create a better flow of traffic. This can be necessary during unusual happenings such as a traffic accident or a sports stadium emptying out. If motorists were going to obey the traffic lights anyway, there would be no point in putting the police officer there!
stop... A police officer assuming control of that intersection will have precedence over a traffic signal. If their signals are contrary to the traffic signal, you'll follow their signal.
to be a police officer you need to attend a state approved police academy and be state certified in the state you live in.
If the officer is directing traffic, regardless of the sign or signal, the officer's signals take precedence.
when a police officer is directing traffic. When it is unsafe to do so.
Yes
due process
You must always follow traffic instruction by a police officer on the road regardless of automated traffic signals, signs, or traffic rules.
Someone can find a video of a police officer directing traffic on YouTube. That site has loads of different videos so there are going to be several to choose from.
For evidence, in case the stop goes wrong; traffic stop can be very dangerous for the office. He/She doesn't know if you are a fugitive on the run.