Proponents of autonomous vehicles often insist that cities should redesign streets now to optimize for a driverless future, promising smoother traffic, reclaimed parking lots, and fewer crashes once human error is minimized. Some merchant associations, by contrast, warn that removing curbside parking and widening bus lanes will strangle local retail in the present. Safety advocates approach the issue differently: regardless of whether vehicles drive themselves, they argue, street geometry and design speeds largely determine the severity of crashes, and features like narrower lanes, raised crosswalks, daylighted corners, and protected bike lanes reduce harm today. Traffic engineers add a further complication—induced demand: adding throughput, whether through automation or new lanes, typically invites more trips and longer distances, offsetting predicted congestion gains.
The author suggests that waiting for technological salvation is the wrong posture. Automation may eventually reduce certain errors, but it could also generate empty vehicle miles if roads are made more convenient for cars than for people walking, biking, or riding transit. Moreover, algorithmic caution alone cannot substitute for physical self-enforcement baked into street design. Cities should pursue incremental reallocations—dedicated bus lanes, slow streets near schools, freight and pickup zones that manage curb access—while measuring outcomes with people-centered metrics: travel time reliability for buses, injury severity, and access to jobs within a short trip. Pilots can be adjusted as data accumulate, and if automation matures, it can be layered onto safer geometry rather than used to justify higher speeds. Merchants' concerns deserve attention, but delivery zones and short-stay parking can coexist with protected lanes if the curb is actively managed. The choice is not between stasis and risky bets on technology; it is between perpetuating car-priority defaults and building a resilient network that functions well under multiple futures.
Which of the following statements would the author and safety advocates most likely both agree with?
- Cities should ban autonomous vehicles until they eliminate all crashes.
- Curbside parking must be preserved even if it reduces space for protected lanes.
- Lower design speeds and self-enforcing geometry reduce injuries regardless of automation. (correct answer)
- Traffic growth from autonomous vehicles is inevitable and cannot be mitigated by policy.
- Technology vendors, not cities, should set street-design priorities during the transition.
Explanation: Both the author and safety advocates emphasize design-speed and self-enforcing features as effective independent of automation. The other options either adopt extreme prohibitions, prioritize parking over safety, or cede policy control to vendors, none of which the author endorses.