Part 1: Management: Maintenance Quality Management and Environmental Stewardship: Best Practices in Information Management and Decision Support

Venner, Marie

doi:10.3141/1911-01

Cited by 2 publications

(2 citation statements)

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“…Properly maintained roadside vegetation helps to minimize erosion, improve drainage, support infrastructure, and allow a safe line-of-sight for drivers (1). A successful vegetation plan controls weeds, enhances desirable vegetation, is environmentally sound, visually pleasing and cost effective (2).…”

Section: Integrated Roadside Vegetation Managementmentioning

confidence: 99%

“…On roadsides, this would include plants that cause safety or aesthetic concerns, as well as any noxious weeds that federal and state governments deem a priority to control (1). Harsh growing conditions and frequent disturbance from both maintenance and traffic make roadsides an ideal habitat for weeds (12)(13)(14), which often can tolerate the high-light, poor soil, pollution and disturbance better than traditional turf species (13).…”

Section: Roadside Weedsmentioning

confidence: 99%

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Integrated Vegetation Management (IVM) for INDOT Roadsides

Herold¹,

Lowe²,

Dukes³

2014

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JOINT TRANSPORTATION RESEARCH PROGRAMThe Joint Transportation Research Program serves as a vehicle for INDOT collaboration with higher education institutions and industry in Indiana to facilitate innovation that results in continuous improvement in the planning, design, construction, operation, management and economic efficiency of the Indiana transportation infrastructure. https://engineering.purdue.edu/JTRP/index_html Published reports of the Joint Transportation Research Program are available at: http://docs.lib.purdue.edu/jtrp/ NOTICEThe contents of this report reflect the views of the authors, who are responsible for the facts and the accuracy of the data presented herein. The contents do not necessarily reflect the official views and policies of the Indiana Department of Transportation or the Federal Highway Administration. The report does not constitute a standard, specification or regulation. AbstractWith over 90,000 miles of road in Indiana, it is important that adjoining vegetation be maintained for safety concerns, road structure maintenance and aesthetics. Mowing is currently the main form of vegetation management on INDOT (Indiana Department of Transportation) roadside. Ever-increasing fuel costs and the high labor demand associated with mowing leads to millions of dollars spent on in-house and contract mowing cycles each year. Drastic cost reductions can be achieved by reducing mowing cycles through the incorporation of other management tools including herbicide and native plantings. This study provides data on six herbicide tank mixtures (Milestone/Escort; Milestone/Escort/Plateau; Perspective; Perspective/Plateau; Viewpoint/Streamline; and 2,4-D/Escort/Plateau) and two mowing cycles (one-cycle and two-cycle) at six sites across the state. All herbicide treatments decreased broadleaf cover better than mowing treatments. Herbicide treatments containing Plateau, a plant growth regulator that retards coolseason grass growth, had the shortest grass height. Herbicide mixtures without Plateau were still shorter than mowing plots due to the seedhead suppression qualities found in the selective broadleaf herbicides. A cost savings of over 40% is achieved with one application of herbicide in lieu of one cycle of mowing. Further cost savings can be achieved through the planting of native vegetation, which was the focus of the second portion of this project. Four native seed mixes (western wheat, short grass, tall grass and short grass with forbs)were analyzed for use on right-of-ways. Successful native plantings have reduced maintenance costs for many DOTs across the country by eliminating mowing and herbicide needs. Drought and persistent weeds at study sites resulted in a sparse covering of native species during the year after planting. This is not uncommon for native roadside planting studies since many native grass species require two to three growing seasons to establish. The first portion of this study examines the use of herbicide and mowing at six sites throughout the state of Indiana. Two mowing t...

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Section: Integrated Roadside Vegetation Managementmentioning

confidence: 99%