In a "weaving section," when traffic is entering and existing at a freeway interchange, who has the right-of-way?

Both through-traffic and exiting traffic have right-of-way over vehicles entering the freeway. However, through-traffic should be aware of on ramps and move to adjacent lanes to allow for oncoming traffic to merge safely.

How do you know when a truck driver can see you?

You can see his/her face in the truck's mirrors. If you cannot see his/her face, you're in a blind spot -- think of these areas as "no zones" and don't linger beside a truck or bus when you are passing.

What does a diamond-shaped sign means?

A diamond-shaped sign means warning!

What is the only highway warning sign that is round?

The railroad advance warning sign is the only highway warning sign that is round.

What does a "chevron" highway sign indicated?

Chevron signs are fairly new additions to the American road and warn of a sharp curve in the road. Chevrons mean that you should adopt a safe speed to take a sharp curve in the direction in which they are pointing -- watch for advisory signs with suggested safe speed limits.

Are you ever allowed to cross a double solid yellow line?

The only time you are permitted to cross a double solid yellow line is when making a left turn into a driveway or business entrance.

What indicates a left exit on freeway exit signs?

The position of the exit number panel above the freeway guide sign. If exit number panel is on the left, then the exit will also be on the left.

What direction are you traveling if you're on an interstate numbered I-65?

If you are on an Interstate highway with the number I-65, you are traveling either north or south. One- or two-digit odd-numbered Interstates are always north-south routes. One- or two-digit even-numbered Interstates are always east-west routes.

What direction are you traveling if you're on an interstate numbered I-494?

You may be traveling in a circle -- if the first of the three digits is an even number, the highway usually connects to another Interstate at both ends -- often in a circular "beltway" or loop. If the first of the three digits is an odd number, the highway is usually a "spur" route that connects with an Interstate at only one end, sometimes going into a city center.

What do the green "mile markers signs" along the sides of interstate highways tell you?

These mile markers show the number of miles from when the route entered the state in which you are traveling. Mile markers always increase as you travel east or north -- and decrease as you travel west or south.

In a work zone, does a flagger have the same authority as a regulatory sign?

Yes -- you can be cited for disobeying his/her directions. In some states, fines are doubled for traffic violations in work zones.

What are rumble strips?

These roadway markings make you feel and hear the traffic message. Rumble strips are small indentations or narrow raised strips on the highway or shoulder. They are put there to vibrate the steering wheel and to make a noise inside the vehicle to get the attention of the driver -- to alert the driver to a decision point ahead; to wake the driver who may have dozed off; to caution the driver about the danger of passing; to alert the driver to some new or unexpected situation ahead.