If you travel a lot with your dog, you can even leave the back of your truck while traveling, but this can be dangerous because the dog can fall off the truck when on the move without you even noticing. You can make dog gates with basic woodworking tools, hardware and plywood. Instructions: Make the top and bottom of the box for dog. Cut with circular saw two rectangular pieces of plywood 3 feet (0.91 meters) by 4 feet (1.21 meters).
Cut two rectangles of 2 feet (0.60 meters) and 11 inches (27.9 cm) wide by 4 feet tall timber for the sides. Cutting a hole for a side dog gates that measures 1 foot (0.30 m) by 2 ft (0.60 m) wide and 10 inches (25.4 cm) in height from the bottom of each side. Cut two pieces of 3 feet (0.91 meters) by 4 feet (1.21 m) plywood, this is the front and back. Short of the front piece of a door hole measuring 1 foot (0.30 m) by 2 ft (0.60 m) wide and 10 inches (25.4 cm) high from the bottom.
Cut three rectangular pieces of plywood 1 foot (0.30 m) wide by 2 feet (0.60 meters) and 10 inches (25.4 cm) for the doors. Drill several holes at random to allow air passage, approximately 1/2 inch (1.27 cm), do it on all parts except the bottom piece. Leave an area of 1 inch (2.5 cm) around the edges to nail dog gates.