A photo of the Milwaukee Police Department District 1 & Administration building, at night, with blue light and words “MILWAUKEE POLICE.” Taken on my way home from work this evening. That phrase, “thin blue line,” pops into my head every time I drive past here on my way home from work. At least lately, now that daylight savings time has ended and it is pitch black when I get off work, lol. And I assume that’s why there is thin-blue-line lighting up the side of the wall here. Anyway, tonight I just so happened to get a convenient red light, so I was able to take a picture 😀
Katherine Wikoff 
I thought there was a time long ago when police departments had blue lights outside their doors, but a few searches didn’t give me any hits, so maybe not.
Found out that the use of blue lights on their vehicles is intentional on several levels. Blue really stands out at night. It’s thought to be (oddly) both calming and warning. It apparently cuts through fog and other poor visibility conditions. And it differentiates them from emergency vehicles which use red lights (sometimes yellow or white).
From your photo, the blue really does show up at night.
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Huh, that’s really interesting to know about the blue lights. It does show up really well in the dark.
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In my humble opinion I feel the blue light would be more striking with two horizontal blue lines. The second would be on each side of the BADGE instead of the massive blue vertical lighting. It takes over covering the BADGE instead of enhancing it.
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Excellent point! That badge is practically invisible (even while in plain sight), definitely obscured at night by the blue column. Possibly additional white light on the badge would also be good?
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