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*Side drainage ditches are often narrow, poorly graded,and can be difficult for homeowners to maintain
 
*Side drainage ditches are often narrow, poorly graded,and can be difficult for homeowners to maintain
 
*Utilities are often in separate trenches rather than a combined utility trench
 
*Utilities are often in separate trenches rather than a combined utility trench
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{|class="wikitable"
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|+ Opportunities for rural cross section
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|-
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! Within the roadway
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! Within the boulevard
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|-
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|Use of [[permeable paving]] within the roadway is not economical when there are adjacent [[swales]] to filter and infiltrate runoff
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|
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*[[Bioswales]] or the use of [[perforated pipes]] beneath grass swales can reduce the nuisance problems associated with conventional swales like standing surface water and steep slopes
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*Permeable pavement systems can be used to stabilize and improve degraded shoulders
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*Converting degraded ditches to [[enhanced grass swales]] is the simplest LID improvement to make to residential rural cross-section roads. Driveway culverts can be slightly raised to provide storage and encourage infiltration.
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|}
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===Typical opportunities for rural cross section===
 
===Typical opportunities for rural cross section===
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'''Within the boulevard:'''
 
'''Within the boulevard:'''
*[[Bioswales]] or the use of [[perforated pipes]] beneath grass [[swales]] can reduce the nuisance problems associated with conventional swales like standing surface water and steep slopes
  −
*Permeable pavement systems can be used to stabilize and improve degraded shoulders
  −
*Converting degraded ditches to [[enhanced grass swales]] is the simplest LID improvement to make to residential rural cross-section roads. Driveway culverts can be slightly raised to provide storage and encourage infiltration.
      
===Urban cross-section===
 
===Urban cross-section===
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