Winter Highway Operations (2005) / Chapter Skim
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Appendix C - Questionnaire Response Matrix
Appendix C - Questionnaire Response Matrix
Pages 40-66
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40 APPENDIX C Questionnaire Response Matrix
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Y Y Y Y Y N Y 3. Please describe or attach an example of how you budget, track, and summarize snow and ice control or winter operations costs.
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Pavement temperature sensors: percent now 15 25 8 Few 5 100 g. Computerized spreader controls: percent 10 years ago 0 0 0 0 0 6
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What type of spreader(s) is/are used (e.g., tailgate, zero velocity)
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Y Y Y Y Y Y 29. Does the individual winter operations decision maker within your agency have first-hand information and access to roadside weather information pavement surface conditions (RWIS)
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How has your use of weather information and deployment of roadside weather stations changed over the past 10 years? RWIS allows managers to make more informed decisions We did not use VAMS then.
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Snowplows and sanders, Snowblowers, graders, front-end loaders Rock salt, 23% salt brine, calcium chloride, RWIS weather forecasts, winter prep. Weather service, our radio system, training, anti-icing RWIS, liquid applicator tanks, but is difficult.
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Liquid magnesium chloride Magnesium chloride w/corn derivative Potassium acetate Potassium acetate and magnesium chloride d. How is the operation of the system integrated into your snow and ice control program?
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Y N Y Y Y 3. Please describe or attach an example of how you budget, track, and summarize snow and ice control or winter operations costs.
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Pavement temperature sensors: percent now 50 10 92 0 20 g. Computerized spreader controls: percent 10 years ago 1 0 0 0 N/A 0 h.
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How often are they calibrated? Yearly, before winter use Annually Once per year Beginning of season and as needed during winter operations d.
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Y Y Y Y Y Y Y 29. Does the individual winter operations decision maker within your agency have first-hand information and access to roadside weather information pavement surface conditions (RWIS)
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2x/day, forecasts to 24 or 36 h 35. How has your use of weather information and deployment of roadside weather stations changed over the past 10 years?
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In your winter maintenance toolbox, which tools are well used? Liquid chemicals, wider front snow plows Plowing, abrasives w/salt, anti-icing & deicing, prewetting of abrasives, rotary plows, wing plows, better use of weather forecasts, better communication w/traveling public, web cams Plows, spreaders, ground control units, liquids, & trucks Anti-icing and storm forecasting Anti-icing, information dissemination RWIS, accurate weather forecasting 44.
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Kac, Caliber 1000, and Ice Ban Potassium acetate from "Envirotech" NC3000 d. How is the operation of the system integrated into your snow and ice control program?
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What would you describe as the three key changes that have occurred affecting your winter maintenance operation over the past 10 years? All winter operations contracted out to private industry in 1996.
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Y Y N Y Y N 8. Please describe the winter operation responsibilities and exchange between different disciplines such as winter maintenance, traffic operations, ITS, and traveler/traffic information within your agency.
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Pavement temperature sensors: percent now 10 0 100 2 1 3 g. Computerized spreader controls: percent 10 years ago 0 10 100 0 h.
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No corrosion inhibitors Sodium chloride road salt, calcium chloride brine for pre-wetting Rock salt, salt brine Calcium chloride NaCl -- solid; brine NaCl solution -- anti-icing pre-wetting; liquid calcium chloride -- lower temp. ranges; calcium flake -- northern locations; Calibre 3000 -- prewet sand & pre-wetting; Ice Ban -- same; magnesium chloride -- lower temperature ranges
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Y Y Y Y Y Y 29. Does the individual winter operations decision maker within your agency have first-hand information and access to roadside weather information pavement surface conditions (RWIS)
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and meteorologist consultation. Use road temperature from mobile sensors to assist salt application rate determination Deployment of roadside weather stations started in 1997 No knowledge of RWIS then.
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d. How is the operation of the system integrated into your snow and ice control program?
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Y Y Y 3. Please describe or attach an example of how you budget, track, and summarize snow and ice control or winter operations costs.
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Pavement temperature sensors: percent now 50 30 g. Computerized spreader controls: percent 10 years ago 100 90 h.
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Please indicate trade name and describe any added corrosion inhibitors. Road salt (fine only)
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Y Y 29. Does the individual winter operations decision maker within your agency have first-hand information and access to roadside weather information pavement surface conditions (RWIS)
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By-law strengthening & enforcement; contractors plowing snow onto sidewalks that have been opened; salt classified toxic -- reducing salt consumption using methods such as anti-icing & pre-wetting; Public education needs more explanation by way of various media Abbreviations: MMS = maintenance management system; RWIS = Road Weather Information System; LOS = levels of service; SHA = state highway agency; N/C = not computed; ITS = intelligent transportation system; S/A = single axle; T/A = tandem axle; EOC = emergency operations center; AVL = automatic vehicle location; GPS = global positioning system; CMA = calcium magnesium acetate; ESS = Environmental Sensor Stations; VAMS = Value Added Meteorology Service; NWS = National Weather Service; SR = state route; EORS = emergency operations reporting system; EB = eastbound; WB = westbound; N/A = not available; UHMW = ultra-high molecular weight (polyethylene) ; GPM = gallons per minute; ADT = average daily traffic; AADT = average annual daily traffic; TOCs = traffic operations centers; HAR = highway advisory radio; GUI = graphic user interface; I/R = infrared.
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