Changes

===Typical opportunities for rural cross section===

===Typical opportunities for rural cross section===

'''Within the roadway:'''

'''Within the roadway:'''

*Use of permeable pavement within the roadway is not economical when there are adjacent swales to filter and infiltrate runoff

*Use of [[permeable paving]] within the roadway is not economical when there are adjacent swales to filter and infiltrate runoff

'''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

*[[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

*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

*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===