THE GEOGRAPHY OF TRANSPORT SYSTEMS

Source: MergeGlobal (2007) The New Supply Chain, American Shipper, November,
http://www.mergeglobal.com/articles/2007-11_New-Supply-Chain.pdf
Note: Involves shipments of less than 150 pounds.
For overnight air freight services, Fedex has the largest market share since UPS has asserted a dominance over ground services. When time is less the object, the regular postal service (USPS) prevails.