I agree with the two prior answers. Obtain medical care as is necessary and then consult with a local personal injury lawyer.

In my opinion, no. The damages are being repaired at no cost to you thus you have no losses.

If proven, your husband will be "asked" to repay money to the government although I have never seen criminal charges result.

I do not see a question here but, in the grand scheme of things, a ticket for 5 over is not so bad. You admit you were going 42 in a 35 and got...

I suggest you use the Avvo "find a lawyer" tool and look into local personal injury attorneys. Read reviews and make a couple of phone calls.

No. As a general rule your social security benefits cannot be garnished to satisfy a credit card debt.

Given the amount at issue this would seem to fall under the jurisdiction of small claims court.

https://www.vaticannews.va/en/pope/news/2021-08/pope-francis-appeal-covid-19-vaccines-act-of-love.html

It appears that you are trying to do this without the benefit of counsel which, in my opinion, is a mistake. The insurance company will never take...

Very difficult to say but your lack of certainty as to the color of the light does not help matters.