If you're trying to do transportation industry research, first seek specific industry segments. They are easier to find and will give you better results. Examples may be market and industry research on railroads, aviation, automobiles and travel -- which should be more informative than a general transportation industry portal or business analyst. Once you've broken up your interest areas into segments, you can find plenty of analysis -- both free and paid -- with simple Google searches.
With so many changes in the automative and transportation industry, it's important to keep on top of the latest news. From diesel fuel to hybrid cars, download Manta's transportation industry research statistics online for your business information needs.