Detection of vehicle movement in a priority direction activates switch-over of the lights cycle (e.g. site exit, fire and rescue etc.) The lights must be synchronised using the radio link communication option or the cabled option.
![](https://www.ttsys.fr/library/niveau4_STEP/chantier/tempo_axe_prioritaire.jpg)
![](https://www.ttsys.fr/library/niveau4_STEP/chantier/tempo_axe_prioritaire.jpg)
Sales Representative in "temporary, on-board and permanent signals" Department
contact.step@ttsys.fr