1903
Police Chief Frederick Kohler is appointed Chief of Police. He is later called “the best police chief of the best governed city” by President Theodore Roosevelt
Corner policemen are placed at the city’s busiest corners
1904
Fingerprinting system started
1906
Cleveland street names are changed to a number system
First juvenile detention home in the city opens
1910
Department acquires its first motorcycles
1911
Cleveland's first mounted unit organized
1912
Municipal Court organized
1913
Automobiles used for first time as patrol cars
1919
Line-up room designed and installed
1925
General Electric installs a string of automatic lights along Euclid Avenue. They are controlled by men in a signal tower
Police Women's Bureau is formed
1926
New Central Station on Payne Ave. opens
1929
Cleveland Police Radio station established