JKR MANUAL ON TRAFFIC CONTROL PDF

Function of Traffic Signs. Effectiveness of Traffic Signs. Application of Traffic Signs. Excessive Use of Traffic Signs. Standardization of Traffic. This manual supersedes and forms part of the revised version of JKR/J(Rb) / 80, Manual on Traffic Control Devices-Traffic Signs. The Manual is now divided. J. K. R. Malaysia, “Arahan Teknik (Jalan) 2A/85,” Manual On Traffic Control Devices, Public Work Deparment (JKR), Malaysia,

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Skip to main content. Log In Sign Up. The Manual is now hraffic into the following parts: Standard traffic signs drawings for Regulatory, Warning and Guide signs are illustrated complete with dimensions.

A color chart for all the traffic signs indicates acceptable colors no each sign. It consists of, with the exception of Temporary signs, design criteria and location requirements for all traffic signs. It consists of standard temporary sign drawings and their application in the work zones. Standard road line paints, road markings and delineators are identified together with guides on their applications. The specifications in this manual are recommended to be used for all new signs and for all replacements of existing signs which have outlived their usefulness.

These mobile sign displays may be mounted on a regular maintenance vehicle. The teaffic shall be warrant special attention. If the temporary black symbol or word message and border on operations require measures different from orange backround unless specified or show to those normally in effect,the existing perma- be otherwise in the accompanying illustrations.

In other words, temporary signs sign. The signs shall be so placed that road users will, have adequate timer for response. As a general rule signs shall be located on the left-hand side of the highway. Where special emphasis is deemed necessary, dual installations may be made which consist of duplicate signs opposite each other on the left and right sides of the roadway, respectively.

It is also permissible to mount appropriate signs on barricades. Temporary signs should be mounted on portable supports that are suitable for temporary conditions.

All such installations should be so constructed to yield upon impact and to minimize hazards to motorists. For maximum mobility on certain types of maintenance operations, a large sign may be effectively mounted on a vehi- cle stationed in advance of the work or mov- ing along with it. If no lane or shoulder closure is involved, the transition area will not be used. In this Drivers will not make a distinction between chapter, each of the “.

Parts” will be-exam construction, maintenance, or utility opera ined for one direction of travel. Proper traffic control and safety are activity affects more than one direction ofneeded for all types of work.

Figureillustrates the five This part has been designed and written to parts of a traffic. It should be use ful to anyone involved with planning, 2.

Before Contained in this part are guidelines varying reaching the work area, drivers from planning’ traffic control to fit the needs should have, enough time to alter their driv of a-particular work activity to’ the reasons ing patterns.

The advance warning area may for keeping accurate records. The traffic control needed. An advance warning sign should be zone is the distance between the first used when any problems or conflicts with advance warning sign and the point beyond the flow of traffic may be anticipated. For most operations, the length can be: In the transition area, traffic is width of the lane to be closed the lateral dis channelized from the normal highway lanes tance’ traffic is shifted.

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There are two for to the path required to move traffic around mulas for determining the length of a taper the work area. The transition area contains L used for lane closures Figure of this the tapers which are used to close lanes. If restricted sight distance is a prob lem, the taper should begin well. The correct path, should be clearly or horizontal, curves. Figure shows the taper pavement markings need to be removed and lengths, the recommended number, and new markings placed when they conflict spacing of channelizing devices.

Pavement marking arrows are useful in transition areas. A shadow correctly, Frequent use of brakes and evi vehicle may be used to warn and guide traf dence of skid marks is an indication that fic into the proper lane.

2A/85 (Manual On Traffic Control Devices: Standard Traffic Signs) – REAAA Wiki

Four general types of tapers used in a The two-way traffic taper is used in advance traffic control zones are: In this situation, the function referred to as. A short taper is used to no traffic control two-way traffic where traffic is to slow down by giving the appearance of required to alternately use a single lane restricted alignment. A flagger is close shoulder.

It is important for the buffer space to be free 2. Closure Taper of equipment, workers, materials, and work ers vehicles a When an improved shoulder is closed on a high-speed roadway, it should be treated as a 2: The suggested spacing in the motorists expects to use in an emergency.

One-half of the length 2. If the flows in the opposite direction.

2E/87 (Manual On Traffic Control Devices: Guide Sign and Design Application)

In these situ shoulder manuwl being used as a. It is placed in the termina exclusive use trafifc workers, equipment, and tion area. While closing tapers are optional, construction materials. Work areas may they may tfaffic useful in smoothing traffic flow. An empty buffer space trucks move into the work area by backing may be included at the upstream end.

The up from the downstream end of the work work area is usually delineated by channeliz area. Physical,deterrents to normal operation areas Figure With a moving operation, exist, such as uneven pavements, trafdic the buffer space is the space between the loading or unloading. It extends and into lanes normally used by opposing from the down stre Am end of the work tgaffic traffic. A down stream taper may be placed in the termina 2. For keep traffic out of. For highspeed roadways, the devices for’ the opposing direction of traffic.

The primary purpose of shadow vehicles. It should not be erected until work ered on work vehicles, exposed to traffic. This column is appropriate for onn widths less than 3. L Urban Roadways m mina min. Avoid introducing severely reduced travel path geometrics at During,plann ng–for work zones one should the approaches to or within the work area.

For example and convenience at a cost commensurate with lightweight channelizing devices and sand the’ hazards and problems involved. A,properly bags to act as a buffer should be used to installed,traff c control, zone will allow traffic protect barrier ends.

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Sand bags are recom to pass through or around a work zone safely mended too to be,placed on the. All’ hraffic become a projectile as a result of a collision.

Consider using a portable barrier. Planning for traffic, control through a construc- f Provide safe pedestrian walkways by sepa tion zone may be more involved than for main- rating pedestrians from vehicular traffic and tenance or utility zones work activities. Provide safe pedestrian because of the differences in traffic disruption and.

2A/85 (Manual On Traffic Control Devices: Standard Traffic Signs)

Traffic h Provide a buffer space between traffic and volume and length of time that the closure will workers. The goals common to, age areas, businesses, residences, and within all traffic control zones are: Provide a safe entrance and exit for work vehicles.

This may require the a to minimize accidents and accident severity use of temporary traffic signals, flaggers, or b to minimize inconvenience and conflicts as a temporary portable barriers.

As required by safety and health regulations, provide 3. To pro priority in passing through a work zone or tect mobile and moving operations, shadow using an alternate route vehicles may be used and equipped with i Access to police and fire stations, fire signs, flags, and flashing lights as’ appropri hydrants, and hospitals should be maintained ate. The guidelines for traffic reducing inconvenience and conflicts.

Emergency Work maintain maximum roadway capacity.

If an alter time. New construction and some maintenance activities are planned as opposed to emer gency activities so these guidelines should be followed. If any of the traveled preserve, repair and restore the roadways and lanes are closed, tapers shall be used as include those activities performed on travelway required. If a shoulder is closed, a shoulder surfaces, shoulders, roadsides, drainage facili- taper is suggested.

Loose dirt, mud, broken concrete, or as a result of storms or accidentsor planned steep slopes may force pedestrians to walk activities.

They may be stationary, mobile, or oh the roadway rather than the sidewalk. The traffic control needed Repairs temporary or permanent to dam will vary according to the nature, location and aged jkg should be made quickly. This duration of work, type of roadway and speed of may include bridging with steel jrk or traffic and potential hazard. It is intended that good quality wood supports. Reflectorized signs and channel 3. Warning lights Construction Operations are optional’ but should: Median Crossovers a Neighbourhood objection to nightime noise.

This should’ be recognized during as supply of ready-mix concrete or. The conditions requiring g Time. It should be recognized that these transitional, areas may remain in a Scaled drawings of the control zone place for a period of time until.

Special manpower needs, such as flaggers d The following factors should be considered Copies of permits when designing, constructing, and operating e Phone numbers of officials to”be hkr these transitional areas: Traffic control devices include signs, signals, b If channelizing devices, other than portable lighting units, pavement markings, delin barriers, are used, they should be lightweight eators, channelizing units, hand: Pavement markings should be used to This chapter discusses traffif application, provide a well defined path.

Use larger signs when greater visibility is desired, as with high speed or volume.