Notably the plan envisions a 47 minute trip between Baltimore Penn and Washington Union vs the current 58 minute schedule, 11 minutes or nearly 20% faster than current schedules.

A decade ago Cadiz, Spain built a cable-stayed bridge with nearly identical vertical and horizontal clearances to the new Key Bridge for 500mn euros.
en.wikipedia.org/wiki/La_Cons...

Still just through the website, the steam version is apparently going to cost $40 instead of $30 as well

The southern branch to Dundalk gets slightly higher ridership at its unique stations, but carries significantly more riders overall for some reason, I just run both lines at 10 minute headways for a 5 minute combined trunk.

Some of the more bizarre alignment choices of the 1960s transit planners become very apparent on a geographically accurate map, such as the western line on Edmondson Avenue in Catonsville, and the northeastern line via Sinclair Ln and Cedonia Ave, largely avoiding the Belair Rd corridor.

It took two buses and 45 minutes to get from the light rail at Pratt and Howard to Eastern and Patterson Park Avenue. This sucks.

Sorry, didn't see this until now, but why not just use the BWI rail station? The airport runs shuttle buses every 10 mins or so to the rail station and all regionals stop there.

The specifications outlined in the RFP seem to closely match the dimensions of the Siemens S700, which is in-use on about a dozen streetcar and light rail systems across the United States.

The Metro Transit Green Line through the University of Minnesota campus comes to mind

This route averages like 1200 daily riders, on a weekday this would be weird, it's unheard of on a Saturday.