Question An orange triangle on the back of a vehicle indicates that the vehicle: Answers Carries radioactive materials. Takes wide turns. Travels at slower speeds than normal traffic. Makes frequent stops. Explanation In rural areas, an orange triangle is displayed on the back of farm tractors and horse-drawn vehicles designed to operate at speeds of 25 mph or less. Pass your DMV Written Test with flying colors Take me to the cheat sheet Pennsylvania This questions appears in the following tests: Pennsylvania Practice Test 6 Pennsylvania Practice Test 9