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Pages 4-9

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From page 4...
... 4 Background The UFR presents many challenges for state DOTs. The definition of UFR for this synthesis is roadsides associated with high visibility urban freeways with limited pedestrian access, such as wider medians, interchanges, and overpasses.
From page 5...
... Introduction 5 Figure 3 shows the I-10 and I-610 West interchange in 2003 following the clearing associated with the reconstruction work. Figure 4 shows the interchange during construction in April 2007.
From page 6...
... Figure 3. Interchange at I-10 and I-610 after clearing in 2003 (Courtesy of TxDOT)
From page 7...
... Introduction 7 region has site-specific vegetation types, soils, site geometry, climate, and other factors that enable healthy, sustainable urban roadsides. Along with the typical roadside activities is the high profile issue of illegal camping and other unauthorized ROW uses that are ever growing in the urban roadside environment.
From page 8...
... 8 Landscape Development and Management Practices for Urban Freeway Roadsides • Maintenance agreements between state DOTs and local entities • Effective landscape development deterrents and other methods for managing the illegal or unauthorized use of the ROW • Work zone safety for maintenance personnel on urban limited access freeways Based on the findings of existing state DOT practice, the synthesis identified gaps in knowledge and areas for future research. The study team sent email invitations to participate in the web-based survey questionnaire to the list of AASHTO state maintenance engineers provided through the NCHRP Project 20-05/ Topic 49-06 panel.
From page 9...
... Introduction 9 • Urban: As defined by the places within boundaries set by the responsible state and local officials having a population of 5,000 or more. Urban areas are further subdivided into urbanized areas (population of 50,000 or more)

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