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Refer also to section 2.3.8 and Figure 10 for SDE/SA loop options.
0.3 m
Distance from
stop line
x = Refer to note in section 2.3.8 for dimensions.
Note that on dual carriageways the loops should be 0.3 metres from the central
reservation.
Distance from stop line – See Figure 22.
All loops to be 3 turns.
667/HE/20663/000
Figure 8 - Rectangular SDE/SA Loops
1.8 m
Figure 9 - Rectangular Turning Loops
Length 1.8 m – 3.6 m
Width 1.8 m – 7.6 m
Maximum of 150 m
feeder cable
Issue 13
L
D
OOP
ETECTOR
1.2 m – 3.6 m
1 m
Direction of
travel
H
ANDBOOK
1 m
x
Road
centre
Page 26
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