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Line 42: − *[[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.
LID opportunities in road-right-of-ways (view source)
Revision as of 20:10, 16 October 2017
, 7 years agono edit summary
*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
{|class="wikitable"
|+ Opportunities for rural cross section
|-
! Within the roadway
! Within the boulevard
|-
|Use of [[permeable paving]] within the roadway is not economical when there are adjacent [[swales]] to filter and infiltrate runoff
|
*[[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.
|}
===Typical opportunities for rural cross section===
===Typical opportunities for rural cross section===
'''Within the boulevard:'''
'''Within the boulevard:'''
===Urban cross-section===
===Urban cross-section===