The project “Tourist-Cultural and Heritage Signaling in the Parque Natural do Tejo Internacional” intended to improve the levels of circulation in the PNTI, through the provision of a vertical signaling system on access roads to points of interest and with visitation value in the protected area, in order to enable visitors to circulate in a guided, safe and respectful way for natural values.

Two complementary systems were applied, one concerning Tourist-Cultural and Heritage Signaling, present in the Signaling Regulation of the and the other concerning Signaling Models for identification and information on nature conservation and biodiversity in the National Network of Protected Areas.