In Texas, a combination may be made up of no more than: Do you currently have car insurance? Insurance is mandatory to drive in Ohio Yes I have insurance. But please show me your best quotes. No, please help me find the best insurance. Question In Texas, a combination may be made up of no more than: Answers One vehicle. Two vehicles. Three vehicles. Five vehicles. Explanation In Texas, combinations may be made up of three or fewer vehicles. If traveling on the interstate, you should be aware of combination regulations for each state in which you will be driving. This questions appears in the following tests: Texas Special Requirements