By all means feel free to be you and approach the intersection with your eyes closed. Even avoiding a direct stare, attempting to avert your gaze when approaching the LED, you will be momentarily "snow blind". Had you tried it, you'd have thought before commenting.  Now imagine a whole city full of these blinding atrocities.  Too intense, not safe,  negligible savings if any and unhealthy.  Softer, less blue spectrum (the harmful kind) LEDs are available. There's likely a reason PSE is "giving them to us for free".  Look up the part number, decipher its meaning and come to an educated conclusion. Here's more science for you to ponder: https://www.engineering.com/ElectronicsDesign/ElectronicsDesignArticles/ArticleID/14607/Are-LED-Lights-Bad-for-Your-Health.aspx