Carsharing services like Zipcar have changed the way we
think about car ownership. When Zipcar enters a city, it brings with it a fleet
of cars that are place in parking spots, or “home spots,” around the city. Zipcar
users pay an annual fee to have access to those car and then pay to use the car
by the hour. At the end of the trip, users must deliver the car back to its
home spot.
More recently, point-to-point carsharing services like
car2go have further challenged how we interact with cars. Unlike Zipcar, car2go
vehicles do not have home spots. Instead, they can park in nearly any parking spots
in the “home zone,” which often blankets the majority of a city. car2go users
use a smartphone app to locate the nearest vehicle, and they are able to reserve
that vehicle or simply walk one and tap their membership card to unlock the
door. From there, car2go users are free to drive the car for as long as they
wish. They are charged by the minute or hour depending on how long they use the
vehicle, and are not required to park the vehicle where they picked it up. This
makes one-way trips using carsharing possible.
In many ways, point-to-point carsharing services are already
like taxis. Users of both services can make one-way trips and with both they
have access to a fleet of vehicles that they do not own. The biggest
differences between point-to-point carsharing vehicles and taxis are that taxis
have a driver, they can pick you up, they redistribute vehicles around the city
based on demand, and they cost more money. I believe that with the introduction
of self-driving cars, however, the differences between the two types of
services will be eliminated. Taxis will become driverless (and therefore
cheaper), and point-to-point carsharing services will be able to pick you up
from anyone location and will redistribute themselves across a city based on
expected demand.
This new self-driving carsharing service could revolutionize
how we use the automobile and how we think of public transportation. I believe
cities should create citywide fleets of self-driving vehicles to move residents
around. There would no longer be a need for private car ownership because a
well-designed self-driving carsharing service would offer people everything a
privately owned vehicle could and more.
This type of service would have a lot of benefits over
private vehicle ownership as well. First off, we would no longer have millions
of cars sitting around and not being used all day. Instead, most cars would be
utilized throughout the day. Also, we would need significantly less vehicles
overall. I imagine a carsharing service like this would be significantly
cheaper than car ownership as well because you would only be paying for the car
based on your usage.
There would also be a lot less of a need for parking spaces.
Cars would spend more time driving around than staying stationary in parking
spots. Even at the time where the number of cars being used is at its lowest, cars
could park in parking spots scattered throughout the city. There would no
longer be a need to couple parking spaces with high-traffic areas, which would
free up a lot of valuable street space.
This type of service would also solve the problem of
electric vehicle charging. With privately-owned electric vehicles, when the battery
gets low car owner have to wait until the battery charges up to drive again. With
a self-driving carsharing service, whenever the car battery runs low the car could
simply go out of service for a few hours, find the nearest electric charging
station, and charge up. No one would have to wait for the car to charge in
order to get to their next destination because another car would come in its
place. This will allow the entire fleet to be electric, which will reduce the
impact the cars would have on the environment.
Car accidents would likely go down as well. Engineers argue
that self-driving cars are safer than human-driven cars because they can react
faster than humans, they have sensors 360 degrees around them, and they
"do not get distracted, sleepy or intoxicated [...]"
Finally, like with point-to-point carsharing services and
taxis, cars will not have to make unnecessary return trips. Cars could bring
Person 1 from Point A to Point B, Person 2 from Point B to Point C, and Person
3 from Point C to Point D. It would also make carpooling much easier because you could carpool for one leg of your trip but not the others. If the carsharing service was implemented citywide, a
central system could direct cars to where they need to go in the most efficient
manner. This would reduce unnecessary driving and could potentially limit VMT.
The biggest issue I see arising from a self-driving
carsharing service is that it will be too easy, cheap, environmentally
friendly, and convenient. There would mean there would no long be many
incentives to walk, bike, and take traditional public transit. This could have
a negative impact on people’s health and could lead to a resuburbanization of
American cities, as density would no longer be necessary to facilitate environmentally-sustainable
transportation. This could decimate American cities, ruin street life, and
limit human interaction. Also, just as the building of new highways causes anincrease in VMT, convenient and inexpensive driving would likely lead to more
trips and people living farther away from each other. This would require larger
distances to travel, which would likely lead to an increase in VMT.
Self-driving cars have a ways to go before they are in
widespread use. When use does become widespread, however, I believe citywide self-driving
carsharing services will become the norm and for the first time, carsharing
services will be more attractive than private car ownership.
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