Demon Trains

One Neighborhood's Fight with Freight Train Pollution

A freight railroad parks trains in a Portland neighborhood for up to 24 hours at a time — engines idling, spewing pollution near hundreds of families and a grade school. This site monitors sound 24/7 and logs every horn blast to document the damage.

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Welcome to Demon Trains Blog

October 10, 2025 schmeeve

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Est. # of Trains
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This Week
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Total Events (Horns)
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Horns per Week (6mo Avg)
POLLUTION IMPACT: Fossil Fuel Waste & Emissions
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Total Diesel Gallons/Year
* est. idle trains
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Cars on Woodlawn Streets Worth of Emissions (Daily)
* equivalent pollution impact estimate
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