From Vision Zero Plans to Safer Streets: Evaluating Implementation Gaps Across Three Continents

Maulsri Jha

doi:10.70528/IJLRP.v7.i8.2378

From Vision Zero Plans to Safer Streets: Evaluating Implementation Gaps Across Three Continents

Author(s)	Maulsri Jha
Country	United States
Abstract	Vision Zero has become a widely adopted expression of the ethical proposition that no death or serious injury in road traffic is acceptable. Its diffusion, however, has often been faster than the institutional transformation required to realize that proposition. This article examines the implementation gap between Vision Zero commitments and street-level safety outcomes through comparative case studies of Delhi, New York City, and Helsinki. The cases represent contrasting traffic conditions, governance systems, fiscal capacities, and stages of Safe System institutionalization. The study develops an Implementation-to-Outcomes framework covering ethical commitment, speed management, safe street design, vulnerable-user protection, data and learning, institutional authority, investment, equity, and accountability. Delhi illustrates the difficulty of implementing a zero-fatality objective in a high-risk mixed-traffic environment where road ownership is fragmented, vulnerable users carry most of the fatality burden, and engineering, enforcement, and land-use decisions remain weakly integrated. New York demonstrates that sustained redesign, lower speeds, and automated enforcement can reduce deaths substantially, while also showing how incomplete network treatment, state-local authority conflicts, political resistance, and uneven neighborhood implementation limit progress. Helsinki demonstrates the cumulative value of low urban speeds, compact land use, high-quality transit, safer crossings, and continuous design improvement, while reminding planners that a year without a fatality is a milestone rather than permanent system completion. The comparison finds that Vision Zero succeeds when it changes routine capital programming, design standards, speed governance, and institutional incentives, rather than operating as a separate safety campaign. The article concludes with a staged implementation framework that links diagnosis, rapid risk reduction, network transformation, and independent outcome review.
Keywords	Vision Zero; Safe System; road safety; implementation; speed management; vulnerable road users; Delhi; New York City; Helsinki
Published In	Volume 7, Issue 8, August 2026
Published On	2026-08-30
DOI	https://doi.org/10.70528/IJLRP.v7.i8.2378

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From Vision Zero Plans to Safer Streets: Evaluating Implementation Gaps Across Three Continents

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