This issue was at the heart of the civil rights movement in the 1960's. Some would say that it was an element in the War Between the States (or the civil war, or the war of northern agression, or the war of southern secession, whatever your stance).
DWI was "at the heart of the civil rights movement in the 1960's"???
DWI was an element in the War Between the States????
No, the right to peaceably travel on public highways in or on any manner of contemporary conveyance of one's choice without being interfered with, impeded by, or harassed by government agents or anyone else for that matter.