超速到什么程度能罚款８００美元？

到了这份上也该是吊销驾照了吧 or even jail time。

如果没入籍申请入籍，按照移民局的规定罚款超过８
００美元光写上超过速还不行还有提供法庭处理的
文件(See page 8 of the following doc)

http://www.uscis.gov/files/article/M-476.pdf

Even if you have committed a minor crime, USCIS may deny your application if you
do not tell the USCIS officer about the incident. Note that unless a traffic incident was
alcohol or drug related, you do not need to submit documentation for traffic fines and
incidents that did not involve an actual arrest if the only penalty was a fine less than
$500 and/or points on your driver’s license.