Exemptions from prohibitions and restrictions8
Nothing in this Order applies to–
a
a vehicle being used–
i
for fire brigade, ambulance or police purposes;
ii
for the removal of any obstruction to traffic; or
iii
in connection with the maintenance, improvement or reconstruction of any road;
b
a vehicle when the driver is–
i
required by law to stop or not to proceed;
ii
obliged to stop in order to avoid an accident;
iii
prevented from proceeding by circumstances outside his control; or
c
a licensed cab on a cab rank.