Why are the toilets on the train connected directly to the tracks?

Waste simply dropped onto the ballast (the gravel under the tracks), where it would be broken down by weather and time.

By the standards of the era, this was considered acceptable—and even hygienic compared to alternatives.

Why It Didn’t Seem Like a Problem Back Then
Several factors made direct discharge less controversial in the past:

1. Lower Train Frequency
Trains were less frequent, meaning waste accumulation was minimal.

2. Open-Air Infrastructure
Tracks were outdoors, not sealed environments.

3. Different Hygiene Standards
Public sanitation expectations were far lower than today’s.

4. Rural Routes
Many tracks ran through countryside, not dense cities.

What seems shocking now was simply practical then.

The Engineering Logic Behind It
From a mechanical standpoint, direct-discharge toilets were:

Lightweight

Reliable

Cheap

Easy to repair

Railways prioritize systems that:

Fail rarely

Don’t interrupt service

Require minimal upkeep

And for decades, this system did exactly that.