LRRB Local Operational Research Assistance Program (OPERA) for Local Transportation Groups Field Report

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Jeremy Dean
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1 LRRB Local Operational Research Assistance Program (OPERA) for Local Transportation Groups Field Report This report must include the underlined subject areas and supporting resources (i.e. photos, graphs, charts, etc.). The OPERA program will use this information in an annual report that will be shared with other local agencies within the state. We request that a short 5-10 minute demo or presentation be shared at the Spring Maintenance Training Expo. Date: 6/11/09 Project Title: Evaluation of rear vision systems for snowplows Project Number: Agency: Person Completing Report: Project Leader: McLeod County Highway Department John Brunkhorst, County Engineer Brian Schrupp, Shop Foreman Phone Number: Problem: Snow plowing and sanding operations can be a stressful undertaking for maintenance operators. With a tandem snow plow, vision is very limited and several blind spots occur, particularly during backing. Solution: Install rear vision cameras and LCD monitors from Pro-Vision, Inc. on snow plow trucks to determine if they will be effective in snow/ice events. Procedure: Two styles of rear vision cameras and two styles of LCD color monitors (5 and 7 ) were mounted on six tandem snow plow trucks in three locations to determine which setup is the most effective. See attached summary and photos. Results: Cameras were used in approximately 5-15 events. Both styles of camera seemed to get covered quickly by salt and or snow in any of the three mounting locations. All operators liked concept of cameras. There was no advantage of the 7 monitor over the 5. Next steps are to figure out a way to keep lens clean. The operators liked the security of having a second set of eyes when backing. Approximate Cost: $4,000 Implementation: Due to relatively low cost (~$700 per system) we will likely consider on all new tandem purchases. Status: Completed Total Duration of Project: 4 months Project End Date: May 2009 Total OPERA Funds used for project: $4,000 Send and a completed report with pictures to: Mindy Carlson, CTS TSB, 511 Washington Ave. SE, Mpls. MN 55455, carlson@umn.edu. For questions about this report please contact Mindy Carlson at

2 McLeod County Highway Department OPERA Project Rear Vision Cameras for Snow Plows SUMMARY Operator Craig Ron Bryan Elvis Pat Kim Camera Style Pro-Series Xtreme Duty Color VLI Series Color Pro-Series Xtreme Duty Color VLI Series Color VLI Series Color Pro-Series Xtreme Duty Color Camera Location (see photos) Left Rear near turn signal Left Rear near turn signal Center on top of brine tank (no photo) Center on top of brine tank (no photo) Right Rear near turn signal Right Rear near turn signal Monitor 5" Color LCD 7" Color LCD 7" Color LCD 5" Color LCD 7" Color LCD 5" Color LCD Monitor Location Lower Right near passenger seat Top Center of Dash Lower Right near passenger seat Lower Right near passenger seat Lower Right near passenger seat Lower Right near passenger seat Snow Events 9 to 15 ~15 4 or 5 9 to 15 9 to 15 9 to 15 COMMENTS "very satisfied" "could always see even though lens got covered on edges" "snow/ice buildup quickly" "work good when not covered with snow" "perception of vehicle behind is way off. Vehicle is closer than appears on monitor" "believe they are good idea" "lens gets snow - hard to see" "big benefit at night or dark" "water/sun a problem" "snow sticks to lens in short time" "biggest drawback is depth perception" "snow cloud/blowing snow difficult" "closer view would be better" "infrared camera is very bright at night - strobes lights up entire cab" "good width of view" "easy to access and clean" "hard to see monitor on sunny day" "either size monitor was fine" "small inconvenience of cleaning is worth having the extra set of eyes" "need more time to judge fully" "could come in handy spring/summer for hooking up equipment, spreading gravel, or backing into shouldering machine" "overall give them a B+" Page 1 P:\LRRB-UMN\2009 backup camera OPERA summary.xls

3 McLeod County Highway Department OPERA Rear Vision Systems for Snow Plows VLI Series Camera (Left Rear Mounting Location Shown) Pro-Series Xtreme Duty Camera (Left Rear Mounting Location Shown)

4 McLeod County Highway Department OPERA Rear Vision Systems for Snow Plows 7 LCD Color Monitor (Center of Dash Mounting Location Shown) 5 LCD Color Monitor (Lower Right Passenger Mounting Location Shown)

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