Siemens BH17 7ER - Figure 27 - Dimensions - 3 Lane N+1 Counting Loops; Figure 28 - Cabling through the Kerb

LOOP DETECTOR HANDBOOK
667/HE/20663/000 Issue 13 Page 39
Figure 27 - Dimensions – 3 Lane N+1 Counting Loops
For full details, refer to HA specification MCE 0115A
C Loop
B Loop
B Loop
A Loop
D Loop
A Loop
7 8 9 10 11 12
12
11
10
9
8
7
6
5
4
3
2
1
0
Width of Road (metres)
Centre of Road
Distance across Road (metres)
Not
recommended
below this width
Figure 28 - Cabling Through the Kerb
Bottom of slot
Footway
Kerb
Bitumen
Asphalt backfill
Slot
Cable
Concrete or asphalt
backfill
Duct through kerb