Use the links on the left to navigate through the following areas on our DWI Guide.
Common DWI terms, such as BAC, line hugging, and retrograde extrapolation
Problems with mouth alcohol, absence of slope detectors, and retrograde extrapolation
From traffic stop to arrest and FSTs
Walk the line, stand and count, nose touch, Horizontal Gaze Nystagmus and why do officers shine a light in my eyes?
Will the DMV Suspend my driver's license, and how to prevent suspension
Mechanisms and science behind breathalyzer models
What does the .08% BAC mean? How many drinks is that?
Should I take a blood test or blood? What if I refuse the breath test? Do they have to dismiss my case? Can I be arrested after drinking one beer, or arrested with a bac lower than .08%?
DWI Statistics, studies, and DWI research county by county in Texas
Find out about potential penalties and punishments on DWI 1, DWI 2 and DWI 3.