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Indiana State Road 21

State Road 6
Location: Munster - East of Butler
Existed: October 1, 1926–1932

State Road 21
Location: Ohio State Line to Peru
Amboy - Peru
Existed: October 1, 1926–1979

State Road 33
Location: Mauckport to Bennettsville

State Road 34
Location: Illinois State Line near Danville, IL to Indianapolis
Existed: October 1, 1926–1950

State Road 35
Location: Mauckport to Indianapolis
Existed: October 1, 1926–1934

State Road 73
Location: Schererville to Griffith

State Road 79
Location: Edinburgh

State Road 100
Location: Indianapolis
Existed: 1949–June 1, 1999

State Road 102
Location: Whitley County - Noble County
Existed: 1932–1971

State Road 107
Location: Madison
Existed: 1932–1976

This is a list of former state highways in Indiana with route numbers from 1 through 199. For a full list of former state highways in Indiana, see the List of former state highways in Indiana.

State Road 6 followed the same route as US 6 does today. It was signed before US 6 was signed in Indiana.

State Road 21 followed the same route as US 35 does today. SR 21's first segment was decommissioned in 1965. The second part of SR 21 followed SR 19 from Amboy to Peru; this was decommissioned in 1979.

State Road 33 was signed until US 33 was commissioned in Indiana. SR 33 followed mostly the current southern alignment of SR 11.


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