Aircraft Marshalls - Ministry of Transport and Civil Aviation

The marking characteristics used in these guidelines for
traffic markings are:
Double white line – do not cross;
Single white line – cross with caution;
Broken white line – a roadway centre-line;
Offset white line – do not cross;
Solid single red line – do not cross during aircraft movement, cross with
caution when required.
CHARACTERISTICS
SPECIFICATIONS:
The following marking characteristics/specifications are defined:
PAINT;
COLOR;
Recommended colours are:
RED: for safety warning;
WHITE: for traffic markings;
YELLOW: for aircraft movement on aprons, taxiways and runways.
VISIBILITY:
Paint or other materials must be of high visibility e.g. reflective in nature and
consistent with every-day off-airport use.
Paint or other materials must be of sufficient coefficient of friction.
DIMENSIONS AND SHAPE:
The width, length and shape of a line or marking as outlined under the
paragraph RECOMMMENDATIONS.
RECOMMENDATIONS
Service Roads:
Roadway markings should be painted white and should consist of single
solid outer lines indicating that crossing with caution is permitted. Crossing
of a double white line and/or offset broken white line is not permitted. In case
of two opposing directions of travel, there should be a centre broken white
line to divide traffic. Each lane of a service road should be of a minimum
width to accommodate the widest equipment in use at that location.
It is recommended that the following minimum specification be adopted:
Width of line: 10cm (4 in)
Gap between 5 cm (2 in)
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