I think the point about how much space is needed for high density loading and unloading is excellent. if you're willing to slow down the main line in specific a

I think the point about how much space is needed for high density loading and unloading is excellent. if you're willing to slow down the main line in specific areas, you can use a lot more of the siding rail for loading. I have no doubt your lecturer is far more informed than i will ever be. I will assert that it's not really 1990 any more, and far more employers would be willing for employees to show up and leave at different times. Car congestion alone has made a lot of employers willing to have start time anywhere from 7 to 10. Which might alleviate some of that burden. I also think, being able to take the whole trip without stopping - even if you occasionally have to go slower in high congestion areas - is much faster overall for each passenger. Which, in my humble opinion is a huge feature. If the cars are reversible, you can also have Y junctions and stack up loads of cars perpendicular to the main rail, and fill those cars like a normal train.