DOT Requirements



TRUCKS, BUSES, MPVs: FEDERAL LIGHTING EQUIPMENT LOCATION REQUIREMENTS

IMPORTANT NOTE: Every lamp, reflex reflector, and conspicuity treatment (device) must be permanently attached in the location specified below and must comply with all applicable requirements prescribed for it by FMVSS/CMVSS 108. The face of any device on the front/rear and sides should be, respectively perpendicular and parallel to vehicle centerline, unless it is photometrically certified at installation angle. No part of the vehicle shall prevent any device from meeting its prescribed requirements unless an auxiliary device meeting all prescribed requirements is installed.

In Canada: Manufacturers and importers of vehicles must have the proper certification test records demonstrating compliance of lighting components with all prescribed requirements.

BASIC EQUIPMENT REQUIRED ON ALL TRUCKS, BUSES & MPVs



DESCRIPTION MANDATORY REQUIREMENTS
Area Equipment (SAE Lens Coding) Functional
Purpose
Quantity Color Location Height mm (in.)
from the ground

1

Headlamps - Lower Beam

(H, HR)
Attention: US
: "DOT" lettering required on lens
Attention: US & Canada: light source code required on lens

Forward road illumination

Minimum 2

White

On the front - symmetrical - as far apart as practicable
(If 4 lamp system - outboard or above upper beams)

560-1370 (22-54)

Headlamps - Upper Beam

(H, HR)
Attention: US: "DOT" lettering required on lens
Attention: US & Canada: light source code required on lens

Forward road illumination

Minimum 2

White

On the front - symmetrical
( If 4 lamp system - inboard or below lower beams )

560-1370 (22-54)

Parking Lamps-Attention: Required only on vehicles less than 2032mm wide

(P)

Indicate parked vehicle

Minimum 2

White or Yellow

Front - symmetrical - as far apart as practicable

380-1530 (15-60)

Daytime Running Lamps -
Attention: for Canada required, for US optional.

(Y2)
Attention: for US, "DRL" lettering required on lens if device is not headlamp

Indicate in-use vehicle

Minimum 2

White or Yellow

Front - symmetrical - as far apart as practicable

380 (15) minimum Maximum depends on type of DRL

Front Turn Signal/Hazard Warning Lamps

( l)

Indicate direction of turn / identify disabled vehicle

Minimum 2

Yellow

Front - symmetrical - as far apart as practicable

380-2110 (15-83)

2

Front Clearance Lamps-
Attention: Required for vehicles 2032mm wide or wider

( P2, PC* or P3*,PC2)
*photometrically certified at installation angle

Show vehicle's width

Minimum 2

Yellow

At widest point - symmetrical - on the front or near the front - facing forward

As high as practicable

3

Front Identification Lamps (ID)

(P2 or P3)

Indicate presence of a wide vehicle

Exactly 3

Yellow

on the front - center - horizontally spaced 150 mm (6 in.) to 300 mm (12 in.) apart

As high as practicable or on top of cab

4a

Front Side Marker Lamps

( P2, PC* or P3 ,PC2*)
*photometrically certified at installation angle


Minimum 2

Yellow

Each side at front - as far forward as practicable

380 (15) minimum

4b

Front Side Reflex Reflectors

(A)

Front and Rear side marker lamps / side

Minimum 2

Yellow

At front - symmetrical - as far forward as practicable - facing sideward

380-1530 (15-60)

5a

Rear Side Marker Lamps **

(P2, PC* or P3, PC2*)
*photometrically certified at installation angle

reflex reflector indicate vehicle's presence and length

Minimum 2

Red

Each side at rear - as far back as practicable

380 (15) minimum

5b

Rear Side Reflex
Reflectors
**
** not required on Truck Tractors

(A)


Minimum 2

Red

Each side at rear - as far back as practicable - facing sideward

380-1530 (15-60)

6

Rear Clearance Lamps
Attention:
Required for vehicles 2032mm wide or wider, but not required on Truck Tractors

(P2, PC* or P3, PC2*)
*photometrically certified at installation angle

Show vehicle's width -
MAY NOT be combined with tail lamps

Minimum 2

Red

At widest point - symmetrical - on the rear or near the rear - facing rearward

As high as practicable-may be lower only if rear ID lamps are at the top

7

Rear Identification Lamps
(ID)
Attention:
Required for vehicles 2032mm wide or wider, but not required on Truck Tractors

(P2 or P3 )

Indicate presence of a wide vehicle

Exactly 3

Red

Rear - center - horizontally spaced 150 mm (6 in.) to 300 mm (12 in.) apart, facing rearward

in Canada : at the top - maybe lower if door header narrower than 25mm
in USA: as high as practicable

8

Tail Lamps

(T)

Indicate vehicle's presence and width

Minimum 2

Red

On the rear - symmetrical - as far apart as practicable

380-1830 (15-72)

Stop Lamps

(S)

Indicate braking

Minimum 2

Red

On the rear - symmetrical - as far apart as practicable

380-1830 (15-72)

Rear Turn Signal/Hazard Warning Lamps

( I)

Indicate direction of turn/ identifies disabled veh.

Minimum 2

Red or Yellow

On the rear - symmetrical - as far apart as practicable

380-2110 (15-83)

Rear Reflex Reflectors

(A)

Show vehicle's presence and width

Minimum 2

Red

On the rear - symmetrical - as far apart as practicable - facing rearward

380-1530 (15-60)

9

Backup Lamp

(R)

Illuminate ground behind the vehicle and alert road users

Minimum 1

White

Rear

No requirement

10

License Plate Lamp(s)

(L)

Illuminates license plate

Minimum 1

White

On the rear - above or at the sides of license plate

No requirement

11

Center High Mounted Stop Lamp
Attention:
Required for vehicles less than 2032mm wide and 4536kg

(U3)

Indicates braking

Minimum 1

Red

On the rear - centerline of the vehicle

860 (34) minimum



ADDITIONAL EQUIPMENT FOR SPECIFIC VEHICLES

VEHICLES 9.1 m (30 ft.) LONG OR LONGER

DESCRIPTION MANDATORY REQUIREMENTS

Area

Equipment

(SAE Lens Coding)

Functional
Purpose

Quantity

Color

Location

Height mm (in.)
from the ground

12a

Intermediate Side Marker Lamps

(P2 or PC)

Indicate presence of a long vehicle

Minimum 2

Yellow

Each side near center

380 (15) minimum

12b

Intermediate Side Reflex Reflectors

(A)

Indicate presence of a long vehicle

Minimum 2

Yellow

Each side near center - facing sideward

380-1530 (15-60)

TRUCK TRACTORS
DESCRIPTION MANDATORY REQUIREMENTS
Area Conspicuity Treatment DOT Code Quantity Color Location Height Options

13

Rear Upper Body Marking

DOT-C, DOT-C2, DOT-C3, or DOT-C4

Exactly 2 pairs of 300mm long strips

White

Rear upper corners of cab - facing rearward

As high as practicable excluding fairings


14

Rear Marking

DOT-C, DOT-C2, DOT-C3, or DOT-C4

Exactly 2 sections of min. 600mm each

Red/White

Rear - facing rearward - on fenders, on mud flaps brackets, or within 300mm below of the top of mud flaps

As horizontal as practicable and not higher than 1525 mm from the ground

If mud flaps not used - on the cab or frame mounted brackets

TRAILERS: FEDERAL LIGHTING EQUIPMENT LOCATION REQUIREMENTS

My Parts

Globe Specialty Company

Makers of the Innovative Glo-Brite® Vehicle Lighting and Electrical Products. We Manufacture Top-of-the-Line Components Including Original Equipment Type Lamps and Lenses for Light Duty Trucks, Pickups, Vans and Sport Utility Vehicles, as well as for RV's, Commercial and Heavy Duty Vehicles.