So after perusing through tons and tons of industry advertisements and press releases during this era, I have really found that there were two groups dominating the industrial market at the time. Tires and oil. And this was well before the big boom of the automobile later in the 20s. But since engines were already well engrained into the mainstream of commercial and industrial businesses, the concept of tractors, heavy industrial rolling machinery and trucking was booming. This led to a lot more research in making that equipment much more efficient and as maintenance free as possible. And so you find the following from those by-gone times:

And you can leave out how you keep those early roads organized? The old school traffic light......