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Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu


Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

At the end of 2025, Honolulu’s Department of Transportation Services celebrated the completion of a three-year project: a new roundabout at the gateway to Kailua Beach Park, a popular destination. The Kalapawai roundabout provides vital safety and circulation improvements for pedestrians, cyclists, and drivers alike.  As a part of the County and City’s Complete Streets…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

Neighborhood routes are core components of a connected walking and bike network, offering people comfortable and quiet routes for everyday trips. But a network is only as good as its intersections, and a comfortable trip quickly becomes stressful—or even dangerous—when a low-traffic neighborhood street intersects with a busier, multilane road.  Portland, Oregon, uses half signals…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

Between 2017 and 2026, the City of Austin successfully slowed speeds by 20 miles per hour by prioritizing pedestrian safety on a two-lane road next to a park. After a pedestrian island was installed at the intersection of Springdale Road and Norwood Hill Road, traffic speeds decreased by more than 10 mph on average in…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

To bridge gaps in Washington, D.C.’s bike network, the District Department of Transportation (DDOT) needed a strategy for narrow residential streets where high parking demand made constrained bike lanes difficult to install. Rather than choosing between parking and cyclist safety, DDOT tested out a new-for-them style of bike infrastructure— advisory bike lanes—across five streets in…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

Divvy Bikes, Chicago’s station-based bike share system, is one of the largest and most-ridden systems in North America, with over 12,000 bikes, 1,100 stations, and millions of rides per year. But price increases for members and casual riders rose significantly between 2021 and 2025.  While the system’s Divvy for Everyone (D4E) program has seen immense…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

Shaw Street was busy with bikes, but it wasn’t working for everyone. There were too many motor vehicles using the street for riding to be comfortable for people who weren’t confident biking, including children, older adults, and new cyclists.  But in 2020, the City of Toronto undertook a project that decreased vehicle volumes by up…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

New Orleans plans to use an infusion of federal funds to expand micromobility options, spread the joy of biking, and build a sense of public ownership of Blue Bikes, its community-run bike share system. With demand surging beyond its fleet size and trip numbers rivaling those in cities with larger bike fleets, the system’s popularity…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

A safe streets project in the City of Columbus, Ohio, is demonstrating how cities can deliver federally funded projects that make a tangible difference.  In November 2024,  the City of Columbus used Safe Streets and Roads for All (SS4A) funding to install a demonstration project on a two-mile portion of East Broad Street. Broad Street…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

City governments across the U.S. and Canada are addressing the ever-increasing demand for deliveries by incentivizing and regulating deliveries by bike rather than motor vehicle. NACTO’s Urban Delivery by Bike work includes best practices and real-world case studies that show challenges, successes, and lessons learned for helping shift more deliveries to bike delivery.  NYC DOT’s Commercial Cargo…

Gateway to Lanikai: How a new roundabout improved safety and stormwater in Honolulu

One of the most popular events at our annual Designing Cities Conference, the Meet the Cities poster session gives every NACTO member agency the opportunity to share their projects, successes, and works-in-progress with their peers. Orlando prepared the content below for its 2025 Meet the Cities poster. A long-term redesign of northeast Orlando’s Virginia Drive-Corrine…