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Q.

In Salt Lake City, the first networked traffic signal was installed that year__________.


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a

1914

b

1916

c

1917

d

1918 

answer is C.

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Detailed Solution

In Salt Lake City, the first networked traffic signal was installed that year 1917.
In December of 1868, London had the first traffic light in the entire world. Earnest Sirrine of Chicago received the patent for the first automated traffic control system in 1910, which included the usage of the terms "STOP" and "PROCEED." The three primary colours of traffic lights are as follows: green, which indicates that it is safe to cross the crossing in the indicated direction if there is space on the sides. Additionally, it shows that the way is open for travel.
 
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