Fall 2012 Vol. 20, No. 4

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Stormwater Management

Device cleans stormwater and saves money for locals
A device invented at the U of M is cleaning stormwater and saving money for local agencies.

New treatment practice removes dissolved phosphate from stormwater
Researchers at the U of M’s St. Anthony Falls Laboratory have identified techniques to remove the dissolved compound phosphate from stormwater, with excellent results.

Keeping concrete out of waters
Research identified and characterized cement and concrete-derived sediments from a wide range of construction operations.

LRRB Update

OPERA SPOTLIGHT: Evaluation of deicing and anti-icing technologies
The City of Grand Rapids has implemented alternative technologies and procedures for deicing and anti-icing that have the potential to improve roadway maintenance and save operating costs.

Interactive guide has model ADA transition plans for local agencies
The LRRB has developed a new document—ADA Transition Plan for Public Rights of Way Guide—to provide local governments with guidance on this aspect of the Americans with Disabilities Act (ADA) requirements.

Signage Policy

Removing unnecessary and ineffective signs
One of the key points of Minnesota LTAP’s workshop on traffic sign management is this: many signs are ineffective and unnecessary.

Maintenance

Adding axles reduces damage from heavy farm equipment
A study found that the heavy farm vehicles caused high pavement stresses and resulted in more damage to the roadway than the standard semi. Results also indicated that the number of axles greatly affects pavement response.

Portable, low-cost weigh-in-motion system could help protect rural roads
A prototype portable weigh-in-motion system could protect roads from heavy truck volumes hauling agricultural commodities and collect better traffic data for pavement design.

Team recommends changes to culvert design to ensure fish passage
A study assessed the hydraulic conditions related to recessed culverts and other design elements over a range of landscapes in Minnesota.

Safety

Proven safety countermeasures
The Federal Highway Safety Administration has a good clearinghouse related to safety countermeasures.

Awards and Other News

Winners announced in national LTAP ‘mousetrap’ competition
The competition’s purpose is to collect and disseminate real-world examples of best practices and tips from the field and assist in the transfer of technology.

Jim Grothaus is new NLTAPA president
Minnesota LTAP’s own Jim Grothaus is the new president of the National Local Technical Assistance Program Association (NLTAPA).

Ann Johnson receives APWA award
Ann Johnson, a long-time contributor to LTAP and Minnesota’s transportation community, has received the Donald C. Stone Award for Excellence in Education–Individual from the American Public Works Association.

Information Services

Social media: resources to get you started
Some resources to help you post, tweet, and like your way to success

The Shelf
Recent publications from various sources

Try CTS Catalyst!
Catalyst is the new, vibrant, easy-to-browse newsletter focused on transportation innovation from CTS. Whether you prefer paper or electronic version, take Catalyst for a test drive.

Motor grader training clips online
Minnesota LTAP held motor-grader operator training this summer at two sites.

Calibration video on YouTube
Check out a sand and salt spreader calibration video developed by the Massachusetts LTAP Center and DOT that’s available on YouTube.

Training and Education

News from our coordinator