2. Signals, Signs, Markings: unusual signals

Question 1

Unusual Signals and Conditions

What do you do if a police officer directs you to do something against a traffic sign or signal?

Answer 1

Do what the officer directs you to do

Question 2

Unusual Signals and Conditions

What happens when a traffic light loses power?

Answer 2

Battery backup usually flips to flashing red and/or flashing yellow only

Question 3

Unusual Signals and Conditions

What do you do at a traffic light without power (no lights at all)?

Answer 3

Pretend everyone has a stop sign

Question 4

Unusual Signals and Conditions

What do you do if the power is out and a traffic light is flashing red?

Answer 4

Consider it a stop sign

Question 5

Unusual Signals and Conditions

What do you do if there is a portable stop sign and the traffic light is flashing?

Answer 5

Come to complete stop (portable stop sign), then proceed

Question 6

Unusual Signals and Conditions

What do you do if a police car is in the left-turn-only lane with lights on and you want to turn left?

Answer 6

Don’t. Police car with lights is marking this lane unusable

Question 7

Unusual Signals and Conditions

What do you do at a red light if a police officer motions you to proceed?

Answer 7

Go (might be letting large event traffic through)

Question 8

Unusual Signals and Conditions

Can you go if the way is clear and a construction worker is motioning you to stop?

Answer 8

No, it’s illegal to ignore them.

Question 9

Unusual Signals and Conditions

Can you go if a construction worker is holding a stop sign, but ignoring you?

Answer 9

No, it’s illegal to go

Question 10

Lane Use Signals

Where do you usually see Lane Use Signals?

Answer 10

Bridges where all lanes can be configured for traffic in either direction

Question 11

Lane Use Signals

What do you do if there’s a red “X” above your lane?

Answer 11

Change lanes now! Oncoming traffic

Question 12

Lane Use Signals

What do you do if there’s a yellow “X” above your lane?

Answer 12

Change lanes, your lane is about to be a red “X” or about to go away

Question 13

Lane Use Signals

What do you do if there’s a yellow, diagonal arrow above your lane?

Answer 13

Merge in the direction of the arrow, you’re losing your lane

Question 14

Lane Use Signals

What do you do with a green arrow above your lane?

Answer 14

This is a lane you can use

Question 15

Lane Use Signals

What is a lane marked above with a left-turning arrow?

Answer 15

Lane reserved only for turning left

Question 16

Pedestrian Hybrid Beacons (PHBs)

What are Pedestrian Hybrid Beacons?

Answer 16

Red and yellow lights above lanes to make it more safe when pedestrians cross the road

Question 17

Pedestrian Hybrid Beacons (PHBs)

Where are PHBs usually found?

Answer 17

Crosswalks that are hard to see, have lots of accidents, or really busy streets

Question 18

Pedestrian Hybrid Beacons (PHBs)

Why do we have PHBs when traffic lights do the same thing?

Answer 18

PHBs are above crosswalks that aren’t at intersections

Question 19

Pedestrian Hybrid Beacons (PHBs)

What happens when a pedestrian presses the “I want to cross” button?

Answer 19

PHB yellow light flashes above all lanes in both directions

Question 20

Pedestrian Hybrid Beacons (PHBs)

Can you proceed at a PHB with flashing yellow light?

Answer 20

Yes, but it’s about to be a red light where you must stop

Question 21

Pedestrian Hybrid Beacons (PHBs)

What does a PHB do after it’s done flashing yellow?

Answer 21

Turns solid yellow

Question 22

Pedestrian Hybrid Beacons (PHBs)

What’s the difference between flashing yellow and solid yellow PHB?

Answer 22

Nothing, just warning you.

Question 23

Pedestrian Hybrid Beacons (PHBs)

What happens at a PHB when its done with solid yellow light?

Answer 23

Both red lights above all lanes turn on

Question 24

Pedestrian Hybrid Beacons (PHBs)

What do you do at a PHB with solid red lights?

Answer 24

Must stop, pedestrians “have right of way”

Question 25

Pedestrian Hybrid Beacons (PHBs)

What do you do when a PHB is flashing red lights?

Answer 25

You can go, consider it like a stop sign: proceed when clear