Practice question What does a hill or downgrade warning sign tell you? A steep grade is aheadA toll plaza is aheadA hospital is nearbyTraffic becomes one-way Answer: A — A steep grade is ahead The correct answer is shown above. Try the full quiz for additional practice. Practice more: Puerto Rico Road Signs Practice Practice Questions - Puerto Rico DTOP CESCO Road Signs, Traffic Signals, and Pavement Markings Practice Exam →