The tunnel that is first the Hudson had been begun in 1874.
The tunnel that is first the Hudson had been begun in 1874. Construction had been abandoned in 1891 due to deaths (one blowout alone in 1880 killed 20 employees), restarted in 1903 by Alexander J. Cassatt of this Pennsylvania Railroad, and never finished until 1908. All bridges that are such tunnels eradicate the requirement for [...]