When the light turns yellow, do you stop or go? Most drivers were never really taught. Here's what that solid yellow light actually means in Minnesota, why people run reds, and the simple gut-check I give every student — the "Lucy test.

Nearly 4 in 10 Minnesota road tests now end in a fail — the highest rate in six years. Here's how to make sure your teen isn't one of them: the habits examiners reward, the mistakes that end a test early, and how to show up ready and confident.