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A LARGE CITY CAN HAVE AS MANY AS 10,000 INTERSECTIONS. MULTIPLY THIS TIMES ROUGHLY EIGHT AND IT IS CONCIEVABLE THAT A CITY SUCH AS LOS ANGELES OR HOUSTON COULD HAVE 80 THOUSAND TRAFFIC SIGNALS HANGING IN THEIR INTERSECTIONS. MULTIPLY THAT TIMES THREE AND THATS 240 THOUSAND LIGHT BULBS. ADD IN THE OVERHEAD LIGHTS AND PEDESTRIAN LIGHTS AND YOU APPROACH A MILLION LIGHTS OR MORE!

(AND YOU THOUGHT YOUR ELECTRIC BILL WAS HIGH). LOL

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16y ago
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10y ago

There are thousands of traffic lights in London because it is such a large city.

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3y ago

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Q: How many traffic lights per city?
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