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The road markings are defined as lines, patterns, words or other devices,
except signs, set into applied or attached to the carriageway or kerbs or to
objects within or adjacent to the carriageway, for controlling, warning,
guiding and informing the users.
The road markings are classified as longitudinal markings, transverse markings,
object markings, word messages, marking for parking, marking at hazardous
locations etc.
Longitudinal markings are placed along the direction of traffic on the roadway
surface, for the purpose of indicating to the driver, his proper position on
the roadway.
Some of the guiding principles in longitudinal markings are also discussed
below.
Longitudinal markings are provided for separating traffic flow in the same
direction and the predominant color used is white.
Yellow color is used to separate the traffic flow in opposite direction and
also to separate the pavement edges.
The lines can be either broken, solid or double solid.
Broken lines are permissive in character and allows crossing with discretion,
if traffic situation permits.
Solid lines are restrictive in character and does not allow crossing except for
entry or exit from a side road or premises or to avoid a stationary
obstruction.
Double solid lines indicate severity in restrictions and should not be crossed
except in case of emergency.
There can also be a combination of solid and broken lines.
In such a case, a solid line may be crossed with discretion, if the broken line
of the combination is nearer to the direction of travel.
Vehicles from the opposite directions are not permitted to cross the line.
Different types of longitudinal markings are center line, traffic lanes, no
passing zone, warning lines, border or edge lines, bus lane markings, cycle
lane markings.
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