Traffic Controls!

Approximately how many people died in car accidents last year, in the USA alone?
10,000
20,000
30,000
40,000
What type of accidents to traffic lights prevent?
Rear-end collision
Head-on collision
Broadside (angular) collision
Vehicule rollover
What type of accidents to traffic lights encourage?
Rear-end collision
Head-on collision
Broadside (angular) collision
Vehicule rollover
What method is used to detect vehicles waiting at a red light, in traffic?
Electromagnetic induction
Nuclear fission
Mass spectrometry
X-Ray scanning
What, in your opinion is a possible social or ethical concern in traffic control systems?
0
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