GITNUX MARKETDATA REPORT 2024

Yellow Light Duration Statistics

The average duration of yellow lights at traffic intersections is typically around 3 to 5 seconds.

Statistic 1

"The standard yellow light duration in the United States ranges from 3 to 6 seconds."

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Statistic 2

"In Minnesota, state law mandates that yellow lights last at least 3.2 seconds."

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Statistic 3

"In California, the minimum yellow light time for traffic signals is 3 seconds."

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Statistic 4

"Studies show that increasing yellow time by 1 second reduces violations by 53%."

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Statistic 5

"Studies show that longer yellow light durations reduce the number of red-light-running violations by at least 50%."

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Statistic 6

"In Canada, yellow light standard time varies from 4 to 7 seconds depending on the speed limit."

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Statistic 7

"Studies show that about 60% of collisions involving red-light running occur within the first 1.5 seconds of the red light phase, indicating that longer yellow light durations could reduce these collisions."

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Statistic 8

"In Philadelphia, when yellow light times were increased by 0.5 to 1.5 seconds, red light running was reduced by 36%."

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Statistic 9

"In Fairfax County, Virginia, red light running dropped by 96% when yellow light times were increased by 1.5 seconds above guidelines."

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Statistic 10

"The Federal Highway Administration has found that the frequency of crashes decreases as the duration of the yellow signal increases to about 5.5 second, above which crash frequency starts to increase again."

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Statistic 11

"The National Motorists Association found that under certain circumstances, additional time on yellow lights can decrease the number of crashes by 39%."

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Statistic 12

"The Texas Transportation Institute found that at sites where yellow intervals were corrected to meet Institute's recommended guidelines, there was about a 70% reduction in right angle red light related crashes."

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Statistic 13

"Traffic light timings in Edinburgh, including yellow duration, are calculated using a formula based on the speed of approaching vehicles and the width of junction which they control."

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Statistic 14

"In Bangalore, India, the duration of yellow light is about 5 seconds according to Bruhat Bengaluru Mahanagara Palike (BBMP) Traffic Engineering Cell."

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