Date | Image | Innovation Sort descending | Society |
---|---|---|---|
1947 | Maine Turnpike | ASCE | |
1862 | Mullan Road | ASCE | |
1811-1839 | National Road | ASCE | |
1908 | North Island Main Trunk Railway | ASCE | |
1940 | Pennsylvania Turnpike (Old Section) | ASCE | |
1876 | Tehachapi Pass Railroad Line | ASCE | |
1835 | Thomas Viaduct Railroad Bridge | ASCE | |
1900 | White Pass & Yukon Railroad | ASCE |