I agree with you if you say that this is not really a pretty photo. :)
But it's actually neat what it shows: this is part of a progressive signal system in Wiesbaden. These "speed traffic lights" are positioned at the 2. Ring - a beltway going around half of the city, trying to lighten up traffic downtown.
If you don't drive faster than 30km/h here, you'll hit what we call the "Grüne Welle" (green wave). The other light shows 40 when it's on.
Sorry about the weird color of the sign above. I had my flash on and this is how the reflection came out.