Question: What is the purpose of solid white lines, separating traffic moving in the same direction? Example the ones leading up to the Lowry tunnel in Minneapolis. Does it make it illegal to change ...

Question: I enjoy reading your column. I have been driving for a number of years but still get confused as to what all the white road markings mean. I know what the white dashes on a road/highway mean ...

Traffic safety is a top priority of DOTs and highly visible traffic markings play a key role in ensuring that automobiles stay in their lanes – even during challenging weather conditions. The most ...