John Hennessy III,
P.E.
CAPITAL E Costs and benefits of city-wide adoption of smart surfaces across Washington, D.C., Philadelphia and El Paso to strengthen resilience, improve health and livability, reduce urban inequality, and slow global warming while saving billions of dollars. Executive Summary Cities can increase resilience, improve health and comfort, expand jobs and slow global warming through smart […]
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Wooden skyscrapers are an ambitious and innovative solution to the problems posed by urbanisation. Not only are they faster to build, they have smaller carbon footprints than high-rises made of concrete and steel.
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The INRIX 2017 Traffic Scorecard is the largest and most detailed study of congestion to date. It includes data on 1,360 cities in 38 countries covering more than 100,000 square miles (250,000 square kilometers) of road and focuses on congestion across all times of the day and week. It confirms, as previous INRIX Traffic Scorecards have found, that congestion is a significant and growing burden on our cities. It is clear that congestion is a global phenomenon, and impacts businesses as well as commuters, small cities as well as large ones and developing as well as developed economies.
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A driving tour of some of my favorite streets from my trip to downtown Cleveland
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This report looks at the current state of the plug-in vehicle charging landscape within the context of the broader transition from internal combustion vehicles to plug-in vehicles. EVSE deployments and sales largely track with the sales of plug-in vehicles, so we will briefly touch on the broader transition to plug-in battery electric vehicles and how the transition is progressing around the world to set the stage for the EVSE discussion.
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Video from Delaware DOT outlines the different levels of autonomy in vehicles, and the changes that Delaware will have to make in order to accommodate AVs in the near future.
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2017 was, by many accounts, a turbulent year. Infrastructure was no exception.
Whether due to new political paradigms, unprecedented natural disasters or new funding opportunities, American infrastructure faced a wide range of challenges throughout the year. Here, we recount some of the key infra topics that shaped discussion–and action–in 2017.
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NATIONAL LEAGUE OF CITIES In order to examine factors at the nexus of equity, mobility and technology, we analyzed long range transportation plans from the 50 largest U.S. cities. In 19 of these cities, there were up-to-date (adopted after 2010) municipal transportation plans available. The remaining plans in the analysis are regional long-range transportation plans. Mobility […]
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It is widely understood that roadway infrastructure is expensive, both in acquiring land for rights-of-way and in construction of improvements, and thus, decisions regarding alignment, crossing, and access made over a period of decades may have long-lasting consequences that are observable in traffic data today. Consequently, urban areas exhibit different unintentional traffic characteristics, including delays under normal and random stress conditions. Investments motivated exclusively by expected efficiencies under normal operating conditions are unreliable safeguards against loss of efficiency under stress conditions. Therefore, new analytic tools are required that allow designers to assess the adaptive capacity of roadway infrastructure and assess the potential of new investments to provide enhanced resilience.
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Complete Streets is a fundamentally different approach to transportation planning, design, and engineering than the status quo of the last half century. It requires that all aspects of decision-making and implementation consider the needs of all people who use a road, regardless of age, ability, or mode of transportation. Streets are viewed as more than ways to move as many vehicles as possible. They are public spaces that connect and contribute to everything that surrounds them.
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