Sunday Movies: Upgrading BRT to Rail
Bogota is upgrading three of its high-quality TransMilenio BRT lines to an elevated metro line. (TheB1M) It's expected to open in 2028, with 1 million daily passengers. Here's a map:

The metro line will follow the light blue, dark blue, and green lines from the western edge to the northeast edge. A second line was announced in 2020. The video compares the tradeoffs between surface, trenched, cut-and-cover, tunnel, and elevated technologies.
More videos after the fold.
The amazing comeback of Los Angeles. (Climate and Transit)
Bedtime story: The Man on the Train" by Lucy Maud Montgomery, 1914, read by Christopher Fitton. (Sleep Cove) A nervous 75-year-old grandmother rides on the cars" for the first time, and meets an interesting fellow passenger.
This is an open thread.