A 3-minute lesson from the Texas course. Read the rules and examples, follow the handbook page references, and check your understanding before you move on.
Guide signs tell you what road you're on and help you reach your destination, which matters most in unfamiliar areas. Overhead lane-use signals tell you which lanes are open right now.
Guide signs
Guide signs
Sign
Meaning
Route markers (Texas, U.S., Interstate)
Tell you which road you are or will be on
Loop
A short state highway in a city or urban area
Business route
Branches off the numbered highway through downtown
Overhead lane signs
Arrows show the lanes for a particular route
Exit only (over a lane)
The lane under this sign exits ahead
Travel information
Direction and distance to cities, airports, etc.
Milepost
Every mile on interstates; locate crashes or breakdowns
On a reversible-lane bridge you see a steady yellow X above your lane. The lane is about to change direction, so signal and move safely into a lane showing a green downward arrow.
Check your understanding
Read the question, decide on an answer, then open it to check the explanation. These are Roadwise study questions based on the source handbook.
What is a milepost used for on an interstate highway?
Identifying the location of crashes or emergencies
Marking where speed limits change
Showing the distance to the next state
Showing the location of fuel stations
Answer: Identifying the location of crashes or emergencies
Mileposts, erected every mile on interstates, help identify locations for emergencies.
