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Table 1 Experimental design

From: Field test on visibility at cycle crossings at night

Road surface condition

Participants

Target

Test group 1

Wet road surface

n = 6 (3 male, 3 female)

Part 1: 9 bicyclist dummies

Part 2: 9 cycle crossings

Test group 2

Dry road surface

n = 6 (3 male, 3 female)

Part 1: 9 bicyclist dummies

Part 2: 9 cycle crossings

Total

2 road surface conditions

12 participants

9 cycle crossings, with and without bicyclist dummy