The warning devices and the road markings provide information to pilots. 
These devices must be clear and perceptible, so they must be repainted, 
cleaned or replaced as soon as their visibility is compromised.

The chromatic characteristics of the signal devices and markings must be acceptable to ENAC.

Since 2010 Arcobaleno Service includes in its car fleet a high-quality equipment for road markings paiting both in the Runway and also in the Aircraft Parking.

At the same time Giotto makes 2 or 3 lines of different colors and wide and also performs a line wide up to 90 cm.