Part I Requirements relating to obligatory direction indicators and to optional direction indicators to the extent specified in part ii

Number (on each side of a vehicle)–

A trailer manufactured on or after 1st October 1985 drawn by a motor vehicle:

A solo motor bicycle and a motor bicycle combination, in each case first used on or after 1st April 1986:

A motor vehicle first used on or after F21st April 1936 and before 1st April 1986, a trailer manufactured on or after 1st April 1936 and before 1st October 1985, a pedal cycle with or without a sidecar or a trailer, a horse-drawn vehicle and a vehicle drawn or propelled by hand:

A motor vehicle first used before 1st April 1936 and any trailer manufactured before that date:

Position–

Any other indicator:

Lateral–

A motor vehicle first used before 1st April 1986, a trailer manufactured before 1st October 1985, a solo motor bicycle, a pedal cycle, a horse-drawn vehicle and a vehicle drawn or propelled by hand:

Minimum separation distance between indicators on opposite sides of a vehicle–

A solo motor bicycle having an engine exceeding 50 cc and first used on or after 1st April 1986–

Rear indicators:

A solo motor bicycle having an engine not exceeding 50 cc and first used on or after 1st April 1986 and a pedal cycle–

Rear indicators:

A motor bicycle combination first used on or after 1st April 1986:

An invalid carriage having a maximum speed not exceeding 8 mph–

Rear indicators:

A motor vehicle first used before 1st April 1986 and a trailer manufactured before 1st October 1985:

Minimum separation distance between a front indicator and any dipped-beam headlamp or front fog lamp–

in the case of a Category 1 indicator, 40 mm;

in the case of a Category 1a indicator, 20 mm;

in the case of a Category 1b indicator, no requirement

Fitted to a solo motor bicycle or a motor bicycle combination in either case first used on or after 1st April 1986:

Fitted to any other vehicle:

Vertical–

A motor vehicle first used before 1st April 1986 and a trailer manufactured before 1st October 1985:

A motor vehicle having a maximum speed not exceeding 25 mph:

Minimum height above the ground:

Angles of visibility–

A front or rear indicator fitted to a solo motor bicycle or a motor bicycle combination:

A front or rear indicator fitted to a motor vehicle, other than a solo motor bicycle or a motor bicycle combination, having a maximum speed not exceeding 25 mph:

A side repeater indicator fitted to a motor vehicle or a trailer:

Vertical–

Where the highest part of the illuminated area of the lamp is less than 1900 mm above the ground and the vehicle is a motor vehicle having a maximum speed not exceeding 25 mph:

Where the highest part of the illuminated area of the lamp is less than 750 mm above the ground:

But where the indicator is a category 6 indicator:

A motor vehicle first used before 1st April 1986, a trailer manufactured before 1st October 1985, a pedal cycle, a horse-drawn vehicle and a vehicle drawn or propelled by hand:

Alignment–

A rear indicator:

A side repeater indicator (Category 5 F6or 6):

Markings–

A solo motor bicycle and a motor bicycle combination in either case first used on or after 1st April 1986, a trailer, manufactured on or after 1st October 1985, drawn by such a solo motor bicycle or a motor bicycle combination, a pedal cycle, a horse-drawn vehicle and a vehicle drawn or propelled by hand:

A motor vehicle first used before 1st April 1986 and a trailer manufactured before 1st October 1985:

Size of illuminated area:

Colour–

An indicator fitted to a motor vehicle first used before 1st September 1965 and any trailer drawn thereby–

if it shows only the rear:

if it shows both to the front and to the rear:

Wattage–

Any other indicator:

Intensity–

An indicator not bearing an approval mark: