ROAD SIGNS AND ITS FULL DETAILS



ROAD SIGNS

Road signs or traffic signs are the devices mounted on road side they are fixed or portable devices which specify information either by word or signals. Traffic signs are most used cheapest traffic control devices.
TYPES OF ROAD SIGNS

1.Regulatory or mandatory signs
2.Warning or cautionary signs
3.Informatory signs or guide signs

REGULATORY OR MANDATORY SIGNS



regulatory road signs are used to inform the road user to certain rules and regulations to provide safety and free flow of traffic .for the informatory signs are shown the some specified information like speed offence directions, keep left ,no turn ,overtaking prohibited, straight prohibited ,no u turn ,no right turn, no left turn, horn prohibited, sound horn restricted ,  no parking,  no stopping, speed limit ,load limit ,one way, axle load limit.

WARNING OR CAUTIONARY SIGNS



Warning signs are warned or cautions to the road user to the specified traffic condition. so the road user to take action . warnings signs is the triangular shape warning signs are provided for the following places. Major road ahead ,side road, y intersection, un gradual level crossing, gradual  level crossing, opening  ridge, cycle stop sign ahead, right hand ahead, right reverse curve, left reverse curve ,tight winding curve, hairpin bend, zig zag, block spot, narrow bridge ahead, rough road ,dangerous dip.

INFORMATORY OR GUIDE SIGNS



Informatory signs are used to provide the information to road user for like routes , places and distance it will help the road user to informed the historical interests safe and comfortable, informatory signs are placed for highway route marking purposes . Providing directions regarding destinations and distance signs also in places rest area ,service signs, parking area sign, first aid locations kilometer limits, elevation land marks etc,

PURPOSE OF ROAD SIGN

1.to restrict overtaking in dangerous places
2 to restrict parking
3.to restrict overtaking in dangerous places
4,guide the road user to different routes
5.to reduce accident

LIMITATION OF ROAD SIGNS

1.thay are not capable of spacing vehicle platoons on busy streets so that the same traffic performance is obtained as with traffic signals.
2.they are not capable of being road at long distances. Which can be done with flashing or continuous traffic signal indications
3.they are not capable of providing continuous guidance through complicated areas.

PRINCIPAL TO BE FOLLOWED IN THE LOCATION OF ROAD SIGNS.

THE ROAD SIGNS BE LOCATED ON KERBED ROADS SHOULD BE

1 for highways the road signs should not locate  less than 60 cm from the edge of the kerb
2.the bottom edge of the sign board should not be less than 2m above the kerb

THE ROAD SIGNS BE LOCATED ON UN KERBED ROADS SHOULD BE

1.The road sign  should not locate less than 2m from the carriage way
2.The lowest part of the road sign should not be less than 1.5 m from the crown of the carriageway
3.Necessary definition plates are to be used wih the suitable word written in English and other languages if necessary
4.The traffic signs should fulfill the requirement completely for what it is imposed.


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