Changes

==Residential collector road==

==Residential collector road==

The function of these streets is to act as connectors between

The function of these streets is to act as connectors between residential neighborhoods and other collectors and arterials. The character of these streets can vary widely from completely residential to pockets of commercial or mixed use land uses.

residential neighborhoods and other collectors and arterials.

The character of these streets can vary widely from completely

residential to pockets of commercial or mixed use landuses.

Other characteristics include:

Other characteristics include:

• Moderate to high traffic volumes, average daily traffic

*Moderate to high traffic volumes, average daily traffic 1500 to 3000 vehicles

1500 to 3000 vehicles

*Street parking is atypical unless there are adjacent mixed uses.

• Street parking is atypical unless there are adjacent

*Often have multi-modal use, transit, pedestrian, and cyclists

mixed uses.

*Institutions such as schools, recreational facilities, and churches are often located along collectors

• Often have multi-modal use, transit, pedestrian, and

 

cyclists

Typical LID opportunities within the roadway:

• Institutions such as schools, recreational facilities, and

*Permeable pavement should be avoided for high traffic travel lanes, but they are an option for parking lanes

churches are often located along collectors

and sidewalk. However, permeable pavers are susceptible to clogging if receiving runoff drainage from adjoining asphalt roadway. Pervious concrete or porous asphalt are options for bike lanes.

Typical LID opportunities

*Perforated pipes are suitable for collectors with very limited space and particularly where there is no routine landscaping maintenance. However, adequate pretreatment such as grass swales, extended sump

Within the roadway:

• Permeable pavement should be avoided for high traffic

travel lanes, but they are an option for parking lanes

and sidewalk. Pervious concrete or porous asphalt are

options for bike lanes.

• Perforated pipes are suitable for collectors with very

limited space and particularly where there is no

routine landscaping maintenance. However, adequate

pretreatment such as grass swales, extended sump

catchbasins, or prefabricated units must be provided.

catchbasins, or prefabricated units must be provided.

• Curb extension bioretention is not a common practice

*Curb extension bioretention is not a common practice for collectors, but they can be used in some cases to reduce pedestrian crossing distances at intersections

for collectors, but they can be used in some cases to

 

reduce pedestrian crossing distances at intersections

Within the boulevard:

Within the boulevard:

• Collectors with few driveway access points and

*Collectors with few driveway access points and continuous stretches of open boulevard space are good candidates for bioswales

continuous stretches of open boulevard space are good

*Institutional uses along collectors offer opportunities for innovative LID solutions. Runoff can be treated within adjacent park space or on school properties where agreements have been made with school boards. These areas are also good opportunities for LID showcases or demonstrations.

candidates for bioswales

• Institutional uses along collectors offer opportunities for

innovative LID solutions. Runoff can be treated within

adjacent park space or on school properties where

agreements have been made with school boards. These

areas are also good opportunities for LID showcases or

demonstrations.

==Local Industrial road==

==Local Industrial road==