to circulate around road it is essential to learn the signs. The problem is that every so often a new one appears. The sign of the dragon teethas she calls herself DGThas the peculiarity that it is on the ground, and it is an optical effect.
Many signs use visual tricks to get the driver’s attention. From the red edges, the yellow backgrounds, or the reflection of light at night. The dragon teeth use a spectacular optical effect.
They were first introduced in 2021on the entrance road to the town of Nava de Roa, in Burgos.
Since then they have spread throughout Spain, but they are not very commonaccording to Auto Bild.. They tend to be seen more frequently in rural and dangerous roads.
These dragon teeth is made up of some white triangles which are placed at both sides of the roadseparated half a meter from each other.
The tip of the triangles point towards the center of the roadand its size and placement make it look like some dragon teethfrom where they get their name.
It is a type of signal that only makes sense when you cross it with the car runningsince it uses an optical effect associated with speed: when you pass through the center of the “teeth” at a high speed, triangles meetand you have the feeling that the road narrows. Although, of course, that doesn’t happen.
instinctively, the driver will brake the car, reducing speed. That is the goal of the dragon teeth. That is why they are being placed in the entrances of the townsnear the crossroads of schools, before dangerous curves, in places where the DGT wants drivers to stop
If you find these dragon teeth on the highway, slow down even if you know it’s a trick, because it means there is something dangerous after themwhere it is convenient to drive slowly.
The news traffic signals Drivers don’t usually like them, because they mean more restrictions. But, as is the case with dragon teethfulfill a vital function: prevent accidents and save lives.