To celebrate their 78th birthday, Chicago’s CTA operated a pair of vintage cars around The Loop! Running for several hours midday and allowing any ticketed passengers to board or disembark, the century-old 4000-series cars garnered plenty of attention from trainspotters and commuters alike! Numbered 4271 and 4272, these were built by the Cincinnati Car Company in 1923! The 4000-series lasted in active service in Chicago until 1973, at which point the last cars were retired. These are my favorite

POV: You’re riding on a CTA Brown Line train and pass through Tower 18 Interlocking 🚈 Often referred to as “the busiest railroad junction in the world,” Tower 18 Interlocking is responsible for the safe passage of trains on the CTA’s Brown, Green, Orange, Pink and Purple Lines as they navigate the Loop. The tower structure seen in this video is the third version to exist here. The first was built in 1900 (as far as I can ascertain), the second in 1969, and this one in 2010. There’s an immense a