Chuan-Yih, Yu » Carmel http://www.paulyu.org Bioinformatic, Research, Life.... and more Wed, 11 Jan 2012 15:51:11 +0000 en hourly 1 http://wordpress.org/?v=3.2.1 First interaction with traffic light installed in US http://www.paulyu.org/life/first-interaction-with-traffic-light-installed-in-us/ http://www.paulyu.org/life/first-interaction-with-traffic-light-installed-in-us/#comments Wed, 31 Mar 2010 05:16:09 +0000 paulyu http://www.paulyu.org/uncategorized/first-interaction-with-traffic-light-installed-in-us/ I went there at Mar 27, 2010. It’s a beautiful city.

In 1924, one of the first automatic traffic signals in the United States was installed at the intersection of Main Street and Range Line Road. The signal that was installed was the invention of Leslie Haines and is currently in the old train station on [...]]]> IMG_5608

I went there at Mar 27, 2010. It’s a beautiful city.

In 1924, one of the first automatic traffic signals in the United States was installed at the intersection of Main Street and Range Line Road. The signal that was installed was the invention of Leslie Haines and is currently in the old train station on the Monon.

flickr

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