InfrastructurePublished: Jan 7, 2026, 11:16 AMUpdated: Jan 7, 2026, 11:16 AM

Pedestrian infrastructure in large cities: sidewalks, crossings, and safer access

How urban design influences road safety for those who walk

Cover illustration: Pedestrian infrastructure in large cities: sidewalks, crossings, and safer access (Infrastructure)
By Bruno Almeida
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Walking is the most common mode of travel in large cities — and also one of the most exposed to risk. The quality of infrastructure makes a direct difference to safety, comfort, and the predictability of the route.

In dense areas, small details add up: a poorly resolved step, a faded crosswalk, a corner with limited visibility. Below is a practical guide to sidewalks, crossings, and access points with a focus on road safety.

Continuous, level sidewalks reduce falls and conflicts

A safe sidewalk starts with the basics: continuity. Abrupt level changes, potholes, and frequent changes in materials increase falls and force detours into the roadway.

Points of attention in large cities: - Sufficient width for heavy flows, without “pinch points” caused by poles or utility boxes. - Regular, slip-resistant surfaces, especially in shaded and rainy areas. - Consistent leveling at driveway entrances, avoiding ramps that push pedestrians into the street.

Legible corners: where most conflicts happen

Corners concentrate quick decisions by pedestrians and drivers. When the design is confusing, risk increases.

Good practices include: - Smaller curb radii, which reduce vehicle turning speeds. - Clear alignment between sidewalk and crossing, without improvised “shortcuts.” - Unobstructed visibility, avoiding street furniture that hides people crossing.

Setbacks and waiting areas make a difference

At wide intersections, protected waiting areas help those who cross in two stages. They organize flow and reduce exposure to traffic.

Well-marked crossings guide behavior

Visible crosswalks placed along actual desire lines work better than formal solutions that people ignore.

To increase safety: - High-contrast markings and frequent maintenance. - Refuge islands on wide or high-speed roads. - Signals with timing appropriate for walking speeds, considering older adults and children.

Accessibility is not an extra: it is part of safety

Well-designed ramps, tactile paving, and aligned crossings benefit everyone. When people with reduced mobility can cross predictably, the environment becomes safer for all users.

Common mistakes to avoid: - Ramps placed outside the crosswalk. - Level differences between ramp and asphalt. - Loose obstacles along the accessible path.

Lighting and visibility at pedestrian level

Road safety at night depends on seeing and being seen. Light needs to reach the sidewalk plane and the crossing area, not just the roadway.

Pay attention to: - Uniform lighting, without strong contrasts that create shadow zones. - Poles positioned so they do not block movement. - Regular maintenance to avoid dark spots.

Access to buildings and public facilities

Entrances to buildings, schools, stations, and shops influence sidewalk flow. Poorly resolved access creates sudden stops and unexpected crossings.

Simple solutions help: - Recessed doors, preventing queues from spilling onto the sidewalk. - Clear signage for entry and exit. - Integration with the main pedestrian path, without steps or abrupt detours.

Pedestrian infrastructure is not an urban detail. In large cities, it organizes movement, reduces improvisation, and saves time — and lives — by turning walking into a predictable and safe experience.

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