On a fog-shrouded evening on the penultimate day of 1906, a dead-heading train roared down this stretch of tracks near Washington's Catholic University, coming upon a slower passenger train heading the same direction on the same track.
People thronged to the main hospital in Allahabad to see if their relatives were among 36 dead and 30 people injured in Sunday evening's stampede at the city's train station.
The movie Roger Ebert calls "a first-rate thriller" tells the tale of a fateful train trip, with strangers offering to "exchange" murders, each killing the person the other wants dead.