Why Are Traffic Lights Red, Yellow, and Green?

Why Are Traffic Lights Red, Yellow, and Green? Ever wondered why blue doesn't mean go and brown mean stop? Turns out, there's a perfectly good explanation for it....

092018.05
In 2003 to enter the American market

In 2003October, the Ampang and American companies have signed agency agreements, the same year products are sold to the United States of Dezhou, and other place...

182010.01
In 2003 in Shanxi, Shanxi, Liaoning, Guizhou, Ningxia Market

In 2003March, Ampang traffic signal lamp in Shaanxi Xi'an projects bid.In 2003July, Ampang traffic signal lamps are sold in Shanxi datong.In 2003August...

152010.01
In 2003 to enter the Shandong Market

In 2003June, the company produced 520countdown screen,300 lines,300light motor vehicle in Shandong Gaotang at the junction of installation and operation...

122010.01
In 2002 in Yunnan, Jilin City, Guangdong

In 2002October, Ampang traffic lights in Yunnan Kunming winning the bid of the project.In 2002November, Ampang traffic lights in Jilin Yanji winning t...

112010.01