Page 102 - HIGHWAY ENGINEERING LABORATORY_FLIP BUILDER

3.0 EQUIPMENT:

Pencil, rubber, sharpener Clipboard & Data sheet Stop watch

4.0 DETAILED PROCEDURE : CORING TEST
REFERENCE
WORK PROCESS DOCUMENT

1. Moving Vehicle Technique (moving observer)

• The observer makes a round trip on a test section Figure 1
• The observer starts at section X-X, drives the car eastward to section
Y-Y

• Turns the vehicle around
• Drives westward to section X-X again

Figure 1: Test Site for Moving-Vehicle Method

The following data are collected as:
1. The time it takes to travel east from X-X to Y-Y (Te), in minutes

2. The time it takes to travel west from Y-Y to X-X (Tw), in minutes
3. The number of vehicles traveling west in the opposite lane while the
test car is traveling east (Ne)

Higway Engineering Laboratory page 87