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Neighborhood Traffic Management Program (NTMP)

Tools to Address Traffic Volumes

The NTMP provides four basic categories of tools to apply to any given project.

These are as follows:

The following table list the measures available and show their relative effectiveness and restrictiveness for this category:

Tools to Address Traffic Volumes

(Based on Published Sources)

Toolbox Item Level of Restrictiveness Speed Reduction Effectiveness
One Way Streets and Signs Low High
Turn Restriction Signs Low High
Turn Prohibition Signs Low High
Raised Crosswalk (3" high x lane width) Some Average
Speed Cushions Some Average
Speed Humps (2-5/8" x 12') Some Average
22' Tables Some Average
Raised Intersections Some Low to Zero
Textured Pavement Some Average
Center Island Narrowing Some Low to Zero
Chicanes Moderate High
Chokers/Slow Points Moderate High
One Way Entry/Exit Chokers, Half Closures, Semi Diverters Moderate High
Bulb-outs Moderate Average
Median Barriers Moderate High
Curb Extensions (Entry, Exit, Mid-Block) Moderate Low to Zero
Full Closures, Cul-de Sacs High High
Full/Diagonal Diverters High High
Forced Turn Islands, Barriers, Channelization High High
Traffic Circles High Average