See this quick-view chart to compare DUI/ DWI tests that come into play during a drunk driving traffic stop and arrest. These are the roadside breath test (aka PAS test), the field sobriety test, and the chemical blood alcohol content (BAC) test performed at the police station.

Details include whether or not you have the right to refuse each test. [more]

If you are arrested on suspicion of driving under the influence (DUI/DWI) in California or elsewhere, you will be asked to take a chemical blood alcohol content (BAC) test.

The chemical BAC test is the most “scientific” DUI/DWI test, and plays a critical role in drunk driving charges and convictions.

Find out what it involves and why – unlike other tests – it is essential to comply with a request for a chemical BAC test. [more]

Most people are well aware that failing a breathalyzer test will definitely result in arrest and DUI / DWI charges. Less well known is that there are two different breath tests involved in driving under the influence charges – the roadside breath test and the breathalyzer test conducted after an arrest.

This article focuses on the roadside breath test, aka the preliminary alcohol screening (PAS) test – find out more about the test and your right to refuse. [more]

When stopped on suspicion of DUI/DWI, officers may ask you to take a standardized field sobriety test (SFST or FST).

This test is conducted at the roadside before an arrest for DUI/DWI, and there are countless videos online of tests gone seriously wrong.

Find out more about Field Sobriety Tests – what their real purpose is, why they are flawed, and whether you have the right to refuse an FST when stopped on suspicion of driving under the influence. [more]