I have occasionally used a laptop on an NJT train. Usually I don't have space (when I even get a seat). Now I take the bus, and I never have space at least not

I have occasionally used a laptop on an NJT train. Usually I don't have space (when I even get a seat). Now I take the bus, and I never have space at least not for my work laptop. I should have gotten the 13" instead of the 15".