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Pedestrian Signal Safety - AAA Foundation for Traffic Safety

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Table 4. Summary of researcher recommendations on pedestrian walking speeds.<br />

Researcher Condition<br />

Knoblauch et al.<br />

(study includes<br />

2,081 young and<br />

2,379 old<br />

pedestrians)<br />

Fitzpatrick, Brewer,<br />

and Turner<br />

(TCRP D-08/<br />

NCHRP 3-71)<br />

Coffin and Morrall<br />

Rouphail et al.<br />

(1998 Highway<br />

Capacity Manual)<br />

Gates, Noyce, Bill,<br />

and Van Ee<br />

2001 <strong>Traffic</strong> Control<br />

Devices Handbook<br />

LaPlante and<br />

Kaeser<br />

Zegeer et al.<br />

(<strong>Pedestrian</strong><br />

Facilities User<br />

Guide)<br />

Staplin, Lococo,<br />

Byington, and<br />

Harkey<br />

(Guidelines and<br />

Recommendations<br />

to Accommodate<br />

Older Drivers and<br />

<strong>Pedestrian</strong>s)<br />

Age-only<br />

Study included 42 study sites in<br />

7 states; 2,441 pedestrians<br />

Older<br />

pedestrians<br />

All<br />

pedestrians<br />

Walking speed (ft./sec.)<br />

recommendations<br />

3.0<br />

Two signalized intersections 4.0<br />

<strong>Signal</strong>ized intersections near<br />

seniors or nursing homes<br />

<strong>Signal</strong>ized, actuated mid-block<br />

crossings<br />

Facility where there are greater<br />

than 20 percent older<br />

pedestrians<br />

Age<br />

Where walking speeds slower<br />

than a normal rate of 4.0 ft./sec.<br />

are known to occur frequently<br />

and resources do not exist to<br />

undertake studies to establish a<br />

15 th -percentile speed<br />

Minimum (curb-to-curb) <strong>for</strong><br />

determining the pedestrian<br />

clearance interval; <strong>for</strong> use in<br />

accessibility guidelines<br />

Use across the total crossing<br />

distance (top of ramp to far<br />

curb) <strong>for</strong> the entire WALK plus<br />

pedestrian clearance signal<br />

phasing<br />

3.3<br />

3.3<br />

3.50<br />

3.3 3.9<br />

3.6 (20 percent<br />

> age 65)<br />

3.5 (30 percent<br />

> age 65)<br />

3.4 (40 percent<br />

> age 65)<br />

3.3 (50 percent<br />

> age 65)<br />

2.9 (100<br />

percent > age<br />

65)<br />

3.8<br />

3.5 3.9<br />

3.0<br />

3.5<br />

Population type; age 3.5<br />

Recommended due to older<br />

pedestrians’ shorter stride,<br />

slower gait, and exaggerated<br />

start-up time<br />

Range 2.8–4.0 3.50–3.9<br />

2.8<br />

47<br />

43

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