There are many documented issues with autonomous vehicles, from street questions of safety to worries about job losses. However a brand new research raises a priority that hasn’t been thought-about a lot earlier than: that autonomous vehicles may trigger extreme site visitors jams by cruising round to keep away from parking charges.
Transportation planner Professor Adam Millard-Ball of the College of California, Santa Cruz, has been researching the best way that autonomous autos would reply to parking conditions. And in a brand new research he factors out that autonomous autos don’t have the identical incentive to park as do manually managed autos. When a driver arrives at their vacation spot, they essentially need to park their automotive. However an autonomous car can hold cruising round as soon as its passenger has disembarked, and it could be incentivized to take action by parking prices.
That is notably an issue as growing parking charges is a key technique to scale back automotive utilization in cities and encourage folks to make use of public transport, which is healthier for the setting. However an autonomous car can kill time by driving at a low pace that is more cost effective to keep up. This results in a state of affairs the place it’s cheaper for the car to maintain transferring even when an area is empty than to pay for parking.
“Even once you consider electrical energy, depreciation, put on and tear, and upkeep, cruising prices about 50 cents an hour — that’s cheaper than parking even in a small city,” Millard-Ball mentioned in a press release. “Until it’s free or cheaper than cruising, why would anybody use a distant lot? … [Autonomous vehicles] may have each incentive to create havoc.”
Millard-Ball used a site visitors microsimulation mannequin based mostly on actual knowledge from downtown San Francisco and got here to the worrying conclusion that autonomous autos may double car journey to, from, and inside dense city facilities.
He does provide a possible resolution, albeit one which is probably not fashionable with drivers. He means that congestion pricing, during which motorists pay a flat charge to enter a busy metropolis space, can scale back congestion on the streets and keep away from gridlock. A system like this exists in cities together with London, Singapore, and Stockholm. To forestall autonomous autos from gumming up metropolis streets by cruising, he suggests a time-based cost for occupying public areas which applies whether or not the car is parked or transferring, which might take away the motivation for autonomous autos to cruise.
The research is printed within the journal Transport Coverage.