How much is truck driving insurance?

If you are asking about insurance for driving a commerical truck like a Freightliner, for example:

The limit of liability insurance typically required is $1,000,000.

If you have a perfect driving record, expect this liability insurance to cost in the range of $700 per month.

If you have one speeding ticket, for example, expect this to cost in the range of $900-$1000 per month.

Premiums will be higher in some states.