Dan's bad restaurant thread got me thinking that there are certain restaurant chains that only locate in certain locations. Examples of these are Cracker Barrel and Bob Evans which seem to be always located right off a major highway. Sbarros an Italian chain seems to have locations in mall food courts, airports, and I've seen a few in thruway rest stops. On the Chinese restaurant front any chain you see seems to be located in a food court of some type. At the univesity I go to they have the Manchu Wok, worst Chinese food I've ever had, but with a captive audience they seem to get plenty of business.
Any thoughts on why certain restuarant chains will only locate in certain high traffic locations? Any one have any exceptions to the examples I listed above? Any other examples?