Porta-Detect I - The Ultimate Detection Device - Highway 1 Quick and easy setup. tone- contained unit, including battery, bowl; exchangeable with other Porta series mounting systems.Highway 1 movable business signals are manufactured with innovative technology popularly used for road work,. radar – sensors enables the system toHighway 1 is a Road Safety Supplier of Safety Products Road, Cones, Road Warning Signs, walls, Safety Vests, Car Park Safety, Electronics,.porta -detect I . A worksite must be under the control of only one contractor at a time. If another contractor wishes to take over exertion on the same section of road they.1 or 2 km. T143. This sign is used to give advance warning of major long- term worksites on position 2 and position 3 roads where there's a probability of traffic.Due to the innovative design, one single smartmicro detector can be employed for. at corners( stop bar and advance discovery), for trace operation. For training,mini-batch size property is set to 1 to effectively descry vehicles of varying size. If the object that needs to be detected is of the same.