1900s	1910s	1920s	1930s	1940s	1950s	1960s	1970s	1980s	1990s	2000s

1990
Adopt-A-Highway program inaugurated in Michigan

1990
MDOT wins award for nation's first handicapper-accessible vanpool vehicle (Kalamazoo County)

1992
The last four miles of Michigan's 1,241-mile interstate system is finished when I-69 opens southwest of Lansing

MDOT develops the first vehicle that can measure the curve and grade of a roadway while traveling at highway speeds

1993
MDOT becomes the first agency in the world to automate projects from the construction site through cutting the contractor's check.

1994
MDOT dedicates Employee Memorial at Clare Welcome Center on US-127 - a tribute to workers killed while working on Michigan highways

1995
MDOT establishes the first Web site hosted by a state agency

1997
The opening of the second span of the Blue Water Bridge in Port Huron (original span opened in 1938)

1998
The 100-millionth vehicle crosses the Mackinac Bridge