Navigation & Route Planning Flashcards

When driving in a city with a grid street layout, the most efficient navigation strategy is to:

Answer: Use main arterial roads and numbered streets as reference points

Arterial roads and numbered/named streets in a grid system provide reliable orientation anchors.

A sign reads 'NO U-TURN.' A driver following GPS instructions that require a U-turn must:

Answer: Obey the sign and find a legal turning point further ahead

Traffic signs are legally binding and must be obeyed even when GPS suggests otherwise.

What does a red 'X' displayed over a lane on a variable message sign mean?

Answer: The lane is closed — do not use it

A red X on a variable message sign signals that the lane is closed and must not be entered.

Which of the following best describes a 'roundabout' in terms of navigation?

Answer: A one-way circular intersection where traffic flows counterclockwise in the U.S.

U.S. roundabouts are one-way circular intersections where vehicles travel counterclockwise.

When your route includes a ferry crossing, what additional factor must you plan for?

Answer: Ferry schedules and potential waiting times

Ferry crossings operate on fixed schedules and may involve wait times that affect total trip duration.

A driver plans to drive 360 miles at an average speed of 60 mph. Approximately how long will the trip take?

Answer: 6 hours

360 miles ÷ 60 mph = 6 hours of driving time.

When navigating through a construction zone, drivers should:

Answer: Follow reduced speed limits and obey flaggers

Reduced speed limits and flagger instructions in construction zones are legally enforceable and protect workers.