IU meaning in Regional ?

Answer:

What is Indianapolis Union Railway mean?

The Indianapolis Union Railway Company (reporting mark IU), is a terminal railroad operating in Indianapolis, Indiana. It was organized on May 31, 1850, as the Union Track Railway Company by the presidents of the Madison and Indianapolis Railroad (M&I), the Terre Haute and Richmond Railroad (TH&R), and the Indianapolis and Bellefontaine Railroad (I&B) for the purposes of establishing and operating joint terminal facilities in Indiana's capital city. The name of the company was changed to its present one on August 12, 1853. The next month, on September 20, Indianapolis Union Station opened its doors, becoming the first union railroad station in the world. Since 1999, the company has been owned and operated by CSX.

reference

Full Form	Category
Indiana University	Academic & Science
Istanbul University	Academic & Science
Instructional Unit	Community
Imaging Unit	Computing
Internet Update	Computing
Individual Unit	General
Infinite Universe	General
Intermediate Unit	General
Imperial Units	General
Integrated Unit	General
Item Upgrade	General
Inebriated and Underage	Governmental
Inter-Urban	Governmental
Istanbul ÜNiversitesi	International
Izquierda Unida	International
Individual Unemployable	Jobs
Independence of Underlined	Maths
Intensity Units	Measurement Unit
Information Unit	Measurement Unit
International Units	Measurement Unit
Immunizing unit	Medical
International Unit	Medical
IntraUterine	Medical
Insulated Underwear	Medical
Indianapolis Union Railway	Regional
Indianapolis Union	Regional
Instrument Unit	Space Science
Interface Unit	Space Science
Internal Use	Telecommunication