Date Sort descending | Image | Innovation | Society |
---|---|---|---|
1922 | Columbia River Scenic Highway | ASCE | |
1932 | Going-to-the-Sun Road | ASCE | |
1935-1937 | Blue Ridge Parkway | ASCE | |
1940 | Arroyo Seco Parkway | ASCE | |
1940 | Pennsylvania Turnpike (Old Section) | ASCE | |
1942 | Alaska Highway | ASCE | |
1947 | Maine Turnpike | ASCE | |
2575-2137 BC | Lake Moeris Quarry Road | ASCE |