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Comment by maksimum | Hacker News Reader

> as any big city resident can tell you.

I used to take the bus every day in Prague (Czech Republic) for about 6 years. It was almost always on schedule in both the morning and afternoon.

I don't know anywhere near enough to argue why in general. But not having drivers sell tickets, and route planning certainly help. For example, shorter routes are guaranteed to reduce variance. But I'm not sure what the downsides are.

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Former Seattle (now Las Vegas) resident here. To make the buses run on time, the planners build in "time stops." These are locations where the bus should go through at specific times to not be too early for the rest of the schedule, and they also provide some buffer for buses to recover time lost due to bike loading, disabled passengers, and traffic congestion. If you're getting the bus after a time stop, you'll likely almost always get it on time. If your stop is before the time stop, bus arrival times will vary wildly.

It gets even more interesting when you add transport of the bus: the Seattle (King County) Metro also serves Vashon Island, so some of the buses travel on ferries with their associated delays and peculiarities.

> some of the buses travel on ferries That's an interesting that they would do that along an entire route rather than splitting the two. I've never heard of that before.

I also do really like how Seattle has that dedicated busway twice a day. It's one of the avenues downtown right?

Third Avenue downtown, yes.

Also an insaneo bike lane iirc.

I get on a bus right before a time stop. It's only about 30 blocks after the previous time stop (Northgate TC) but has arrived as soon as 5 minutes before the posted time. That's always fun when combined with a 10 minute late bus following it.

It always stings to see the bus approach early such that I have to run for it, only to then have it wait for 5 minutes at the time stop 2 stops later.

One thing that helps is that the transit authority (ie. DPP, routes that are run by other companies usually are not that good at keeping the schedule) seems to genuinelly care about keeping the schedule. For streetcars there are online monitored checkpoints at least every kilometer or so (usually on each other stop, as part of the station sign, look for rectangular hole in the upper part) and buses are online GPS tracked, this dat is then used both to improve the scheduling and assess the driver's performance.

Edit: another thing that certainly helps is that most transit lines do not go through the typically congested streets (eg. no daytime public transit goes through the Magistrala in city center) and if they do they are separated (eg. Jecna).

In smaller cities with less congestion it's much easier to keep the busses running on schedule. I took the bus every day when I was in college and it was like clockwork, but that was in a modest town with low population density. The situation gets worse in a hurry when you're in the middle of Manhattan on roads that were originally laid out for horses.

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