Ramp-shaped railroad cars, invented by Henry Latimer Simmons:
One train may passover another train which it meets or overtakes upon the same track.
“Crashproof,” as Greg Ross points out. The 1895 patent.

Ramp-shaped railroad cars, invented by Henry Latimer Simmons:
One train may passover another train which it meets or overtakes upon the same track.
“Crashproof,” as Greg Ross points out. The 1895 patent.