Navigation & Route Planning Flashcards

What does a dashed center line on a two-lane road indicate for navigation purposes?

Answer: Overtaking is permitted when it is safe to do so

Dashed center lines indicate that passing is permitted when conditions are safe.

When planning a route through a mountain pass in winter, a driver should primarily check:

Answer: Chain control requirements and road closure status

Mountain passes may require tire chains or be closed in winter, making chain control checks essential.

A vehicle's odometer reads 12,340 miles at the start of a trip. After 180 miles, what does the odometer read?

Answer: 12,520

12,340 + 180 = 12,520 miles on the odometer.

What is the primary purpose of a 'rest area' sign on a highway?

Answer: To inform drivers of a safe place to stop, rest, or use facilities

Rest area signs guide fatigued drivers to designated stopping areas to rest safely.

When a GPS shows an 'estimated time of arrival' (ETA), this estimate is based on:

Answer: Current traffic data and average travel speeds

Modern GPS systems calculate ETA using real-time traffic data and average travel speeds.

You are driving on a divided highway and realize you missed your exit. You should:

Answer: Continue to the next exit and turn around

Reversing or crossing medians on divided highways is illegal and extremely dangerous; use the next exit.

A green arrow on a freeway overhead sign indicates:

Answer: A lane that is open and available for use

Green arrows on variable message signs indicate lanes that are open to traffic.