A free bus that runs every hour is still going to screw you over if you mistime your walk to the bus stop and it leaves without you. The bus not being available at noon is not made better because it is free, because there's still no bus to take.
Making a service that isn't usable most of the day free still makes it unusable for most of the day.
But then there is a reason for that -- spending has diminishing returns. If you have some money and you could use it to serve an area with 1500 riders then that may be worth it, but once you've served it, the next best unserved area which costs just as much to serve would only have 750 riders, which may not be worth it. The point where you stop is where the value of the service no longer exceeds the cost.
And the value of eliminating fares has a major comparative advantage because it allows you to eliminate the cost of collecting fares, which is typically a huge fraction of the money collected in fares. Especially when the fares are already subsidized (which they are most everywhere), because then you still have the pay the full cost of the collection infrastructure but generate much less revenue. In some places the cost of collection can exceed the total revenue from the fares. And even if you beat break-even, the little amount left over is hardly worth losing the benefits of having fewer cars on the road.
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Off peak travel is generally also much less expensive, since you already have the buses and drivers doing peak-only shifts generally spend the middle of the day just sitting around. KC could run a lot more all-day service and garner a lot more ridership.
The status quo doesn't really have anything to do with it though. If it's optimal for them to spend $X on transit while also eliminating fares, then that's what's optimal whether they're currently spending $X or $0.2X.
> Off peak travel is generally also much less expensive, since you already have the buses and drivers doing peak-only shifts generally spend the middle of the day just sitting around. KC could run a lot more all-day service and garner a lot more ridership.
Which would tend to make it so that you would build more transit before you hit the point of diminishing returns, but that doesn't mean the point of diminishing returns doesn't exist, or that we shouldn't also eliminate fares. They're just two independent questions.
It's like asking whether we should increase the size of the child tax credit or subsidize solar panels. Maybe we should do both. Maybe we should do neither. But the answer to each question has more to do with whether its benefits exceed its costs than how you answer the other question.
I only made the trip by bus two days, when the city was literally out of gas in 2003. The city could have paid me to take the bus and I still would have driven. I have to think the same would be true for pretty much everyone there who wasn't already stuck taking the bus.
(And yes, obviously continue to use tax revenue as well, just like we charge tolls for some roads but that doesn't pay for all their upkeep.)
Suppose you have an existing A line with 1500 riders and you're considering building a B line, but you need 1000 riders to justify it and you predict there will only be 900, so you don't build it. However, if you eliminated fares then you might expect 1100 riders for the B line. Then the lack of fares also gives you another 300 riders for the A line, and the existence of the B line gives you another 600 riders for the A line since then people can then go from A to B. So eliminating fares allows you to build the B line and add 2000 riders across the two lines, even though only 500 of them were directly from the elimination of fares.
And you get a much better incentive for ridership when you go from something like $1 to zero than you would from, say, $2 to $1, because it increases convenience. You don't have to worry about tickets or exact change or anything, you just go through the door and you're on your way.
Tfl could hike the fare wuite a bit and after the riots have died down people will use it the same.
And you could make Emirates Air Line free and I doubt it will bump ridership substantially.
It seems to me that public transit probably follows the law of demand fairly strongly, and reducing the price will almost certainly make it more attractive to riders. Of course this won't fix all problems with public transit, and I don't think that's the goal. It sounds like the goal is to increase ridership (and specifically to increase access to people who cannot easily afford the fares).
> Better to keep charging the fare and use the revenue to improve service
Or...use tax revenue to improve the service. That's the point, and is exactly what happens with most public roads.