Final answer:
A road sign indicating the presence of large trucks often features a truck symbol or warning text and alerts drivers to be cautious around these larger vehicles on the road.
Step-by-step explanation:
The sign that indicates to be aware of large trucks on the roadway usually depicts an image of a truck or may include a warning text such as "Trucks Entering and Leaving Highway" or "Large Trucks." This sign is meant to alert drivers that large vehicles, which may require extra room to maneuver or have larger blind spots, are present or may be entering the roadway. It's important for safety to give these vehicles plenty of space and to be prepared for sudden stops or turns.