We always blasted through the etag system, without an etag, no plates on the vehicle ftw.

What are they gonna do? call the cops and say oh hai we saw a black bmw blast thru without an etag.

Oh ok toll booth willy, that just narrowed it down to 100,000 bmw's in california :P

Of course if there is a cop sitting and waiting for you to do this, then you are fucked