As it turns out it doesn’t actually cost that much on regular transit, there’s an AIRPORT SURCHARGE because it’s an “airport train”.
No wonder Americans don’t use public transit, even when the system exists it’s ridiculously difficult and expensive to use.
The routes are usually different for biking, walking, and driving. The speeds on the highway are also often several times the rate of speed you’ll be able to achieve on an e-bike and certainly much higher than you’ll be able to achieve on a manual bike.