L
OOP
D
ETECTOR
H
ANDBOOK
667/HE/20663/000
Issue 13
Page 24
Figure 5 - Typical Loop Configurations with UD Dimensions
– Chevrons
0.3 m
0.2 m
U/D loop overlaps X loop
by 0.2 m (0.3 m in
direction of travel)
1 m
0.3 m to kerb edge
X
U/D
X = 1 m, subject
to local survey