© David Moenkhaus - All Rights Reserved +1 773 612-4166

S curve

 

 

above: S curve 3464 – 2018

 

 

© David Moenkhaus - All Rights Reserved +1 773 612-4166

© David Moenkhaus

S curve 3554 – 2017

 

 

 

I travel this Dan Ryan Expressway S curve everyday as I make my way into and out of Chicago. And during the morning rush hour, the traffic almost always comes to a stop at this particular place on the normally busy expressway. So there are brief moments when I can safely stick the camera out the window and make images like these.

 

 


 

 

Currently most of the 270,000 street lamps that light the greater Chicago area, are sodium vapor lights which at night, produce a kind of sinister orange/yellow (mostly yellow) glow. But soon all those sodium vapor lights will be a thing of the past – the city is looking to replace 85% of the city’s sodium vapor fixtures with smart LEDs. I’m guessing the color temp is going up and hopefully the city will look at lot more natural at night – maybe even a little on the blue side. Say good-bye to the yellow night!

 

 

© David Moenkhaus - All Rights Reserved 773 612-4166

© David Moenkhaus

S curve 1133

 

 

funFacts: According to the city, more than half the light fixtures will be assembled at a Chicago plant, owned by Ameresco which has committed to using city residents to perform at least 50 percent of the work.
Since LEDs consume just a fraction of the electricity used by the high-pressure sodium lights currently in use, the new LED lights, will consume 50 to 75 percent less electricity.

 

 

©David Moenkhaus - all rights reserved 773 612-4166

©David Moenkhaus

Chinatown elevated (sodium vapor) – Chicago 2016

 



 

 

 

 

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