Tag Archives: Transportation

MoDOT To Implement Stormwater Compliance Program

On April 8, the Missouri Department of Transportation (MoDOT) agreed to implement a statewide compliance program and to pay a $750,000 civil penalty to settle alleged Clean Water Act violations at two road construction sites. According to the U.S. Environmental Protection Agency, two sites inspected in 2010 and 2011 had significant erosion control issues, including […]

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Solving Slick Roads and Salty Streams

The use of road salt and other deicers for highway maintenance became widespread during the 1960s. And while salting allows for safer winter travel, sustained economic productivity, continued emergency services, and other benefits, salt has been silently accumulating in the environment ever since, threatening drinking water supplies and aquatic ecosystems. According to a U.S. Geological […]

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Federal Agencies Call Virginia Water Quality Trading Program A National Model

On Dec. 16, federal government representatives, Virginia Governor Terry McAuliffe, and others came together to recognize an innovative, market-based nutrient trading program run by Virginia to improve Chesapeake Bay water quality. The U.S. Environmental Protection Agency, U.S. Department of Agriculture, and the White House Council on Environmental Quality lauded the trading scheme as a model […]

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Researchers Study Green Solutions for Roadway Snow and Ice Control

Cold-climate researchers at the Center for Environmentally Sustainable Transportation in Cold Climates (CESTiCC) are looking at green alternatives to the salt, sand, and chemicals typically used for highway snow and ice control. The U.S. spends $2.3 billion each year on the removal of highway snow and ice plus another $5 billion to mitigate the hidden […]

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Caltrans Reaches $2.7 million Settlement for Alleged Water Quality Violations

In addition to required environmental work, the California Department of Transportation (Caltrans) will fund the Mariposa Supplemental Environmental Project. The project will provide real-time monitoring along a wild and scenic stretch of the Merced River to detect excess turbidity and pH levels during Caltrans’ Ferguson landslide rehabilitation project. Data will be collected both before and […]

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A demonstration of turbulent flow using a Plexiglas flume. Image credit: CDOT

Ramping Up Erosion Control Training for Transportation Projects

Colorado Department of Transportation’s new erosion control training is complimented by a newly renovated facility for hands-on learning.

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MnDOT Releases Research on Stormwater Pond Skimmers and Swales

In August, Minnesota Department of Transportation (MnDOT) Research Services & Library released a report “Assessing and Improving Pollution Prevention by Swales.” Researchers found substantial spatial variability in swale infiltration rate. This report discusses how roadside swales can be used to their full pollution prevention potential and cost-effectiveness, covering maintenance schedules and efforts. They also developed […]

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Report Covers Dissolved Metals Removal from Roadway Stormwater

In mid-May, the National Cooperative Highway Research Program (NCHRP) released the report “Measuring and Removing Dissolved Metals from Stormwater in Highly Urbanized Areas.” The issue of dissolved metals is coming to the forefront in stormwater management and is an increasing concern for regulatory agencies. This is especially true in urbanized areas with limited space for […]

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Senate Holds Hearing on Highway Stormwater

The U.S. Senate Subcommittee on Water and Wildlife, chaired by Senator Ben Cardin (D-Md.), held a hearing May 13 on stormwater runoff in transportation infrastructure. The hearing examined the effects of stormwater runoff on the water quality of receiving streams as well as opportunities for protecting downstream infrastructure from the effects of uncontrolled stormwater runoff. […]

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Chicago Announces First Projects Under Green Infrastructure Strategy

Chicago’s $50 million Green Stormwater Infrastructure Strategy was announced in October 2013, and in late April, Mayor Rahm Emanuel and the Department of Water Management (DWM) issued a public report and announced the first projects to be funded under the strategy. “Without green space to absorb rainfall, Chicago’s sewer system is forced to handle large […]

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