Department of Transportation (IN)

There are 6 INDOT districts in the state:

• 1 Crawfordsville
• 2 Ft. Wayne
• 3 Greenfield
• 4 LaPorte
• 5 Seymour
• 6 Vincennes
• X Indiana Government Center Units

The first number of an INDOT radio ID is the district.

Each district is divided into sub-districts. The second number of an INDOT radio ID is the sub-district number within the district, etc.

Each sub-district is divided into units. For example the Indianapolis sub-district has five units. These are the various small properties located across town where the snowplows and salt domes are staged.

Toll Road District

Laporte District:

• Laporte Sub
• Gary Sub
• Plymouth Sub
• Winamac Sub
• Rensselaer Sub
• Monticello Sub

Fort Wayne District:

• Angola Sub
• Elkhart Sub
• Warsaw Sub
• Fort Wayne Sub
• Wabash Sub
• Bluffton Sub

Greenfield District:

• Tipton Sub
• Albany Sub
• Indianapolis Sub
• Greenfield Sub
• Centerville Sub

Crawfordsville District:

• Fowler Sub
• Frankfort Sub
• Crawfordsville Sub
• Cloverdale Sub
• Terre Haute Sub

Seymour District:

• Bloomington Sub
• Columbus Sub
• Aurora Sub
• Madison Sub
• Falls City Sub

Vincennes District:

• Linton Sub
• Paoli Sub
• Vincennes Sub
• Tell City Sub
• Evansville Sub

• Indiana Dept of Transportation DB listing
• Indiana DOT website