Project Length: 7.6 miles total.3 miles along 79th street from Cicero to Western.4.6 miles along Chicago Avenue, from Laramie to Ashland. Right-of-Way Width: 79th Street: 79’, 12’ lanes.Chicago Avenue: 56’, 10’ lanes Participating Agencies: Chicago Department of Transportation, Chicago Transit Authority Timeline: 2020 Cost: $180,000.00 Goals Speed up buses for essential riders: These bus lanes…
In 2018, Portland City Council approved an ordinance that lowered the speed limit on all residential streets to 20 mph, a change that resulted in reductions on 70 percent of the city’s street network. Oregon state law also allows the city to implement a 20 mph speed limit in business districts and to lower speed…
In 2016, the City of Cambridge lowered speed limits to 25 mph citywide and began implementing 20 mph safety zones in 2018. Cambridge—along with other cities and towns in Massachusetts—have the right to set speed limits for “thickly settled” areas under the state’s 2016 Municipal Modernization Act. Prior to this reform, the default speed limit…
New York City has worked for over a decade on comprehensively reducing speeds on streets across its five boroughs. In 2011, the City installed its first Neighborhood Slow Zone: a program that revamps small (about . square mile) residential areas with low traffic volumes and minimal through traffic, with 20 mph on-street markings, signs, speed…
In October 2016, the Seattle City Council passed an ordinance to lower the default speed limit from 25 to 20 mph on 1,250 miles of neighborhood streets and the default speed limit from 30 to 25 mph on arterials. This change was the result of a months-long legislative process initiated by Seattle DOT leadership. To…
As cities look to redesign their streets to provide more safe mobility and transportation options for their constituents, new maintenance and operations challenges and opportunities arise. The following case studies explore downsized street sweeping and snow plow equipment currently in use in Boston, Salt Lake City, Cambridge, MA, and Chicago. These case studies are an…
Location: New York City, NY Street Context: Dense Urban Project Area: Citywide Impervious Area Within Combined Sewer Tributary: 78,749 acres Participating Agencies: New York City Departments of Transportation, Environmental Protection, Design and Construction, and Parks and Recreation Timeline: Green Infrastructure Plan released 2010 Demonstration projects completed 2012 Cost: $1.5 billion over 20 years Goals Stormwater…
Location: Atlanta, GA Street Context: Residential Streets Project Length: 4 miles Right-of-Way Width: varies Participating Agencies: City of Atlanta Departments of Watershed Management and Public Works Timeline: Planning started 2012, Construction 2015–2016 Cost: $15.8 million, including $1.1 million utility allowance and 3 years of maintenance costs Goals Flood mitigation: Manage the rainfall of a 25-year,…
Location: Los Angeles, CA Context: Citywide Planning Tool Participating Agencies: Los Angeles Bureau of Sanitation, Watershed Protection Division; Department of Landscape Architecture, California State Polytechnic University, Pomona; Department of Landscape Architecture, University of California, Los Angeles Extension; USC Price School of Public Policy Timeline: Goals Capture stormwater: Capture and infiltrate runoff produced by 0.75 inches…
Project Length: 0.26 miles Right-of-Way Width: 66 feet Participating Agencies: Chicago Department of Transportation, Chicago Department of Water Management Timeline: 2012 – 2015 Cost: $4.8 million Goals Safety: Decrease traffic speeds and increase safety for pedestrians on this heavily-traversed (by foot) corridor. Placemaking: Create a strong sense of place with innovative streetscape design, providing a…