![Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light](https://dmn-dallas-news-prod.cdn.arcpublishing.com/resizer/DnFa40LzO97zU8eCaX6V9OEnLZ4=/1200x630/smart/filters:no_upscale()/arc-anglerfish-arc2-prod-dmn.s3.amazonaws.com/public/A2YH7EJN7Z2BXURIS6IBQHUQHM.jpg)
Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light
![The blue thing on top of a street light just outside my house. Some have them some dont. Never seems to light up or make a noise. Don't think it's a light The blue thing on top of a street light just outside my house. Some have them some dont. Never seems to light up or make a noise. Don't think it's a light](https://i.redd.it/drprf8neeqg21.jpg)
The blue thing on top of a street light just outside my house. Some have them some dont. Never seems to light up or make a noise. Don't think it's a light
![Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light Why are there blue lights on top of Dallas' streetlights by the Trinity River? Curious Texas sheds some light](http://thumbor-prod-us-east-1.photo.aws.arc.pub/3m_DQsq8uMzNBwcZBuE7EJY9k54=/arc-anglerfish-arc2-prod-dmn/public/6ORHGTXG5RSPC6YGUZWWT4CXFE.jpg)