<p> Pedestrian Group Size Study</p><p>Study date: ______Time: from: ______to: ______Location: ______</p><p>Crosswalk across: ______Curb-to-curb or road width W: ______</p><p>Divided roadway? Yes No Width of island: ______</p><p>Step 1. Pedestrian Count Children No. of Children No. of Children No. of Time Crossing Rows Time Crossing Rows Time Crossing Rows</p><p>Step 2. Determination of the Number of Rows N Group No. of Number of Groups Size Rows Tally Total Cumulative Computations 46–50 10 41–45 9 36–40 8 31–35 7 26–30 6 21–25 5 16–20 4 11–15 3 6–10 2 1–5 2 Total Number of Groups:</p><p>Step 3. Determination of the Adequate Gap Time G</p><p>W G   3 2(N 1) 3.5 Pedestrian Delay Time Study Study date: ______Location: ______Crosswalk across: ______End of survey (to nearest minute): ______85th percentile rows — N: ______Start of survey (to nearest minute): ______Roadway width — W: ______Total survey time (minutes) — T: ______Adequate gap time — G: ______secs.</p><p>Step 4. Pedestrian Delay Time D Gap Size Number of Gaps Multiply by (seconds) Field Study Data Total Gap Size Computations 8 9 T = total survey time × 60 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 t (total time of all gaps equal to or greater than G) = secs. D = ______%</p><p>Step 5. Determination of Need for Traffic Control See Determination of Need graph.</p>