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NTMP TOOLBOX
OVERVIEW OF TOOLBOX ITEMS

The NTMP provides four basic categories of tools to apply to any given project. These are as follows:

Tools to Address Speeding
Tools to Address Traffic Volume
Tools to Address Pedestrian Safety
Tools to Address Reducing Vehicle Collisions

The following tables list the measures available and show their relative effectiveness and restrictiveness for each category:

Click on the Toolbox Item of Interest for detailed information

Legend
Ranking Color Codes and Numbers

High Effectiveness

1

Moderate Effectiveness

2

Average Effectiveness

3

Minimal Effectiveness

4

Low to Zero Effectiveness

5

No Data Available

N/A


Tools to Address SPEEDING

Based on Published Sources.

Toolbox Item

Level of Restrictiveness

Speed Reduction Effectiveness Ranking

Enforcement (Visible & Active Police Presence)

Low

2

Radar Trailer

Low

3

Speed Alert with Warning

Low

3

Neighborhood Traffic Safety Campaign (Education)

Low

5

Raised Crosswalk (3" h x lane width)

Some

1

Speed Cushions

Some

1

Speed Humps (2-5/8" x 12')

Some

1

22' Tables

Some

1

Raised Intersections

Some

1

Textured Pavement

Some

3

Center Island Narrowing

Some

4

Chicanes

Moderate

1

Chokers/Slow Points

Moderate

1

One-Way Entry/Exit Chokers, Half Closures, Semi Diverters

Moderate

1

Traffic Circles

Moderate

1

Bulb-outs

Moderate

3

Full Closures, Cul-de Sacs

High

1

Full/Diagonal Diverters

High

2

Forced Turn Islands, Barriers, Channelization

High

2


Tools to Address TRAFFIC VOLUMES

Based on Published Sources.

Toolbox Item

Level of Restrictiveness

Volume Reduction Effectiveness Ranking

One-Way Streets and Signs

Low

1

Turn Restriction Signs

Low

1

Turn Prohibition Signs

Low

1

Raised Crosswalk (3" h x lane width)

Some

3

Speed Cushions

Some

3

Speed Humps (2-5/8" x 12')

Some

3

22' Tables

Some

3

Raised Intersections

Some

5

Textured Pavement

Some

3

Center Island Narrowing

Some

5

Chicanes

Moderate

1

Chokers/Slow Points

Moderate

1

One-Way Entry/Exit Chokers, Half Closures, Semi Diverters

Moderate

1

Bulb-outs

Moderate

3

Median Barriers

Moderate

1

Curb Extensions (Entry, Exit, Mid-Block)

Moderate

5

Full Closures, Cul-de Sacs

High

1

Full/Diagonal Diverters

High

1

Forced Turn Islands, Barriers, Channelization

High

1

Traffic Circles

High

3


Tools to Address PEDESTRIAN SAFETY

Based on Published Sources.

Toolbox Item

Level of Restrictiveness

Pedestrian Safety Effectiveness Ranking

Enforcement (Visible & Active Police Presence)

Low

N/A

Radar Trailer

Low

N/A

Speed Alert with Warning

Low

N/A

Neighborhood Traffic Safety Campaign (Education)

Low

4

Raised Crosswalk (3" h x lane width)

Some

3

Speed Cushions

Some

N/A

Speed Humps (2-5/8" x 12')

Some

N/A

22' Tables

Some

N/A

Raised Intersections

Some

N/A

Textured Pavement

Some

N/A

Center Island Narrowing

Some

N/A

Stop Signs

Moderate

N/A

Turn Restriction Signs

Moderate

N/A

Chicanes

Moderate

N/A

Chokers/Slow Points

Moderate

1

One-Way Entry/Exit Chokers, Half Closures, Semi Diverters

Moderate

N/A

Bulb-outs

Moderate

3

Median Barriers

Moderate

N/A

Curb Extensions (Entry, Exit, Mid-Block)

Moderate

N/A

Turn Prohibition Signs

High

N/A

Full Closures, Cul-de Sacs

High

N/A

Full/Diagonal Diverters

High

N/A

Forced Turn Islands, Barriers, Channelization

High

N/A

Traffic Circles

High

4


Tools to Address REDUCING VEHICLE COLLISIONS

Based on Published Sources.

Toolbox Item

Level of Restrictiveness

Vehicle Collision Reduction Ranking

Enforcement (Visible & Active Police Presence)

Low

N/A

One-Way Streets and Signs

Low

1

Radar Trailer

Low

N/A

Speed Alert with Warning

Low

N/A

Neighborhood Traffic Safety Campaign (Education)

Low

N/A

Raised Crosswalk (3" h x lane width)

Some

N/A

Speed Cushions

Some

N/A

Speed Humps (2-5/8" x 12')

Some

1

22' Tables

Some

1

Raised Intersections

Some

N/A

Center Island Narrowing

Some

1

Stop Signs

Moderate

N/A

Turn Restriction Signs

Moderate

N/A

Chicanes

Moderate

1

Chokers/Slow Points

Moderate

N/A

One-Way Entry/Exit Chokers, Half Closures, Semi Diverters

Moderate

1

Bulb-outs

Moderate

1

Median Barriers

Moderate

1

Curb Extensions (Entry, Exit, Mid-Block)

Moderate

N/A

Turn Prohibition Signs

High

1

Full Closures, Cul-de Sacs

High

1

Full/Diagonal Diverters

High

1

Forced Turn Islands, Barriers, Channelization

High

1

Traffic Circles

High

1

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