| Year | Change |
| 1898 | Dayton and Western Traction Company opens line between Dayton and Eaton on June 26, 1898. |
| 1898 | Cincinnati and Hamilton opens line between Lindenwald and Mount Healthy in December 1898. |
| 1899 | Dayton-Xenia Rapid Transit Company opens line between Dayton and Xenia in December 1899. |
| 1900 | Dayton-Xenia Traction Company opens line from Dayton to Belmont to Xenia on January 23, 1900. |
| 1900 | Dayton, Springfield and Urbana Electric Railway opens line between Dayton and Springfield on February 14, 1900 |
| 1900 | Dayton-Xenia Traction Company opens line from Belmont to Spring Valley on April 23, 1900. |
