Page 91 - HIGHWAY ENGINEERING LABORATORY_FLIP BUILDER

4.0 DETAILED PROCEDURE : CORING TEST

REFERENCE
WORK PROCESS DOCUMENT

1. Select proper location and layout.
2. Obtain appropriate study length and
measure it on site. Record observations on
stopwatch spot speed study data form.

Calculate vehiclespeeds.
3. Generate frequency distribution table and determine speed

percentiles.
4. Dothesefor100vehiclesorONEHOUR.Recordthedatainthe
tableasshownbelow.

Stop watch speed study layout

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Higway Engineering Laboratory page 86