The "SEOFER Chair of Road Safety and Intelligent Mobility" has provided support in updating the designs of the signs of the 1983 Manual to more modern and visual designs for the Dominican Republic, which has resulted in this Regulatory Resolution No. 005-2020, which regulates the Signaling in Land Traffic and which aims to update and improve both the general criteria and the specific criteria for the design and placement of the first two groups of signs established in Article 7 of Article 7 of the Road Traffic Law. 005-2020, which regulates the Signaling in Land Traffic and which aims to update and improve both the general criteria and the specific criteria for design and placement of the first two groups of signs established in Article 7 of the Regulation of Signaling in Land Traffic and which are Vertical Signaling and Horizontal Signaling (road markings).