Deicer tanker

Iowa DOT Research Explores the Potential of Corn-Based Deicers

While not yet widely available, corn-based deicers have shown some promise as an environmentally friendly alternative that could reduce the use of salt. Iowa DOT researchers conducted lab tests on a series of corn-based deicer blends—mixes of salt brine and three types of corn-derived alcohols. They identified several combinations that performed well in terms of […]

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Winter Research Lightning Talks from Minnesota DOT

Clear Roads is pleased to share the following opportunity from lead state Minnesota DOT: Winter maintenance professionals from all agencies are invited to join Minnesota DOT’s Winter Research Lightning Talks on Wednesday, February 24, from 2 p.m. to 3 p.m. CST.  The event will include 5-minute presentations from researchers about five in-progress MnDOT research projects: […]

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Green Warning Lights Enhance Plow Truck Visibility in Michigan

A Michigan DOT research study confirmed that adding green strobe lights to existing amber warning lights on winter maintenance vehicles increases the trucks’ visibility to other motorists. Researchers evaluated dozens of lighting configurations to identify the best options for increasing the plows’ visibility while minimizing glare. MDOT began using green warning lights on winter maintenance […]

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New Podcast Episode from SICOP Talks Winter Ops

AASHTO’s SICOP Talks Winter Ops podcast is back with new episodes for 2021. Check out the latest episode, and catch up on podcasts you may have missed: Let’s Break the Ice (Episode 44): Jed Falgren and Jeff Perkins of Minnesota DOT talk about mechanical ice breakers, which make short work of ice pack without the […]

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New Clear Roads Synthesis Report: Weather Forecasting Practices

A new Clear Roads synthesis project surveyed state DOTs about how they meet their weather forecasting needs, including which approaches are effective and what additional resources would be valuable. The project also examined the practices DOTs use to convey information about forecasts and road weather conditions to operators in the field. Read the synthesis report: Resources, […]

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Winter Maintenance at 2021 TRB Meeting

Clear Roads has prepared a listing of technical sessions and posters related to winter maintenance that will be presented at the virtual 2021 Transportation Research Board Annual Meeting. The list includes more than 20 papers and posters, with links to abstracts and presentation materials. The sessions will cover a wide range of winter maintenance topics, […]

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National Survey Compiles Sixth Year of Winter Maintenance Data

Clear Roads has published its sixth Annual Survey of State Winter Maintenance Data, which compiles data on winter resources, materials and costs from 36 states for the 2019-2020 winter season. The interactive spreadsheet-based tool includes a United States map that displays many of these metrics. The tool includes six years of data, and displays averages […]

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Recent Clear Roads Research

Check out these recent Clear Roads research reports: Synthesis Report: Mechanic/Operator Equipment Training, August 2020. This synthesis report identified the training materials that state DOTs and others have developed on topics including pre- and post-trip inspections and diagnosing and correcting equipment problems. Synthesis report. Alternative Methods for Deicing, Clear Roads Project 18-05, July 2020. Researchers […]

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Corrosion instrument with prepared test solution that determines the Percent Corrosion Effectiveness of deicers by dipping coupons in and out for three days.

Updated Guidance for Qualified Products List (QPL)

Clear Roads has updated the guidance document that outlines how deicing products are evaluated for inclusion on the Clear Roads Qualified Products List (QPL). The revised guidance defines the product submittal process, outlines product specifications and testing protocols, and provides suggested language that agencies can use in their purchasing documents for winter materials. Clear Roads […]

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New RFP: Proposals Due October 28

Clear Roads is currently soliciting investigator proposals for a new research project: Evaluation of Indoor Automated Stockpile Measurement Systems Please see the Clear Roads RFP page for more information. The deadline to submit proposals is Wednesday, October 28, 2020.

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