The term Tijuana Traffic Sign is a reference to the Spanish word 'ALTO', which means 'STOP' in English. This term is used to refer to the traffic signs found in the Mexican city of Tijuana, which are used to indicate when drivers should STOP their vehicles. These signs are typically red and white in color, with the word 'ALTO' written in bold letters. The purpose of these signs is to ensure that drivers obey the traffic laws and regulations in the city.