Congress passed the Railroad Safety Appliance Act in 1893 following decades of rail building across the United States. It provided uniformity to railroad safety standards.
The British Parliament passed the Railway Regulation (Gauge) Act in 1846 to establish uniform standards for railway track gauges across the United Kingdom.
The Pennsylvania Railroad built the Sawtooth Bridges, a pair of railroad bridges on the Northeast Corridor in the Meadowlands in Kearny, New Jersey, in the early 20th century.
