United States. Department of Transportation. Federal Highway Administration
2023-01-01
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This Technical Brief provides programmatic and technical considerations for understanding the design considerations using scour countermeasures to mitigate abutment scour at bridges supported by deep foundations. There are also considerations for protection of bridge embankments related to the provisions of the American Association of State Highway
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United States. Department of Transportation. Federal Highway Administration. Office of Infrastructure
2023-01-01
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On September 19, 2023, FHWA published in the Federal Register a Notice of Proposed Rulemaking. As a condition of funding for Federal-aid highway projects, Federal law prohibits State departments of transportation (State DOT) from adding any point of access to or from the Interstate System without the approval of the Secretary of Transportation (Sec
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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Reclaimed asphalt pavement (RAP) has been used in pavement rehabilitation and reconstruction for decades. Positive and sustainable benefits (cost, environmental and societal) of increased RAP usage have been documented by the National Asphalt Pavement Association (NAPA). Nebraska Department of Transportation (DOT) has recently reported annual savin
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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WHY SAW CUT? Heat from the cement hydration raises the temperature of concrete. Concrete shrinks with cooling/drying. Cracking results when internal stresses develop. Sawing relieves stresses by creating a plane of weakness where a crack will form. Straight, neat cut eases sealing and maintenance activities and enhances aesthetics. Sawing ensures t
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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PDF
The BIL establishes the Promoting Resilient Operations for Transformative, Efficient, and Cost-Saving Transportation (PROTECT) Discretionary Grant Program to help make surface transportation more resilient to natural hazards, including climate change, sea level rise, flooding, extreme weather events, and other natural disasters through support of p
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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PDF
The BIL establishes a Charging and Fueling Infrastructure discretionary program to strategically deploy publicly accessible electric vehicle charging infrastructure, hydrogen fueling infrastructure, propane fueling infrastructure, and natural gas fueling infrastructure along designated alternative fuel corridors or in certain other locations within
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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The BIL establishes the Congestion Relief Program to provide discretionary grants to eligible entities to advance innovative, integrated, and multimodal solutions to congestion relief in the most congested metropolitan areas of the United States with an urbanized area population greater than 1,000,000. The goals of the program are to reduce highway
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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The BIL establishes the Rural Surface Transportation Grant Program which provides funds for projects to improve and expand the surface transportation infrastructure in rural areas, defined as areas that are outside of urbanized areas with a population of over 200,000. The goals of the program are to increase connectivity, improve the safety and rel
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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PDF
Electric bicycles (e-bikes) represent a rapidly growing transportation mode and evolving policy area in the United States, which reflects their benefits for health, accessibility, and tourism. E-bikes are similar to conventional bicycles but have a small electric motor and battery. E-bikes have a number of applications as personally owned bicycles,
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Since 2014, the Federal Highway Administration (FHWA) and Rijkswaterstaat, the government agency responsible for transportation and water infrastructure in the Netherlands, have been collaborating on the topic of infrastructure resilience. From 2016 through 2018, the agencies conducted an applied comparison of a suite of resilience tools developed
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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The Beaver Dam Wash is a seasonal stream that drains a watershed of over 600 square miles in Arizona, Utah, and Nevada. The area is characterized by high bluffs, erodible soil, and deep river channels, which makes it susceptible to flooding. In 2004-2005, the region experienced an unusually warm winter. Heavy rains swept through the area in early w
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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Between April 13 and April 15, 2018, the island of Kaua'i in the State of Hawai'i experienced a record amount of rainfall, nearly 50 inches total, causing severe flooding and landslides along Kūhiō Highway (State Route 56 and 560). Three historic one-lane, load-restricted bridges along Route 560, Waiʻoli, Waikoko, and Waipā, often referred to as th
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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Interstate 70 (I-70), the main east-west interstate in the State, provides a critical connection for both people and freight through Colorado and across the Rocky Mountains. On August 10, 2020, a fire broke out in the median of I-70 in Glenwood Canyon in Colorado. The Grizzly Creek wildfire grew out of control, burning over 32,000 acres. The canyon
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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In June of 2010, the Schultz Fire burned approximately 15,000 acres (23.4 square miles) of forested land in the Coconino National Forest, located northeast of Flagstaff, Arizona. Shortly thereafter, in July and August 2010, the area experienced the fourth-wettest monsoon season on record. The largest rainfall events occurred on July 20, when 1.78 i
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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PDF
On March 12, 2019, the State of Iowa and other parts of the Midwest experienced a disastrous weather event that brought heavy rains and higher than average temperatures to the area. This weather caused rapid snow melt within the Missouri River system and exacerbated the water levels of the Missouri River and other local river systems in Mills Count
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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PDF
From February 11 to 13, 2020, northern Alabama received over 10 inches of rain, triggering a landslide underneath U.S. Highway 231 (US 231). The landslide occurred 1.6 miles south of Lacey Springs, Morgan County. The event affected about 400 feet of the heavily used corridor that serves much of the traffic between the cities of Arab and Huntsville.
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United States. Department of Transportation. Federal Highway Administration
2023-01-01
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PDF
Hurricane Michael made landfall in the Florida Panhandle on October 10, 2018. With 155 mile per hour winds and a 14-foot storm surge, it was the first Category 5 hurricane to hit the continental United States in over 25 years. Flooding and wave action damaged U.S. Highway 98 (US 98) in multiple locations in Bay, Franklin, and Gulf Counties, leaving
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