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TASK A-7/ Review and Update on Road Traffic Sign TABLE OF CONTENTS TABLE OF CONTENTS LIST OF FIGURES LIST OF TABLES ACRYNMS AND DISAMBIGUATION EXECUTIVE SUMMARY CHAPTER 1 INTRODUCTION ........................................................................................................ 1-1 1.1 Rationale of Standard Road Traffic Sign .......................................................................................... 1-1 1.2 Content of this Document .................................................................................................................. 1-1 1.3 Legal Basis and changes required ..................................................................................................... 1-1 1.4 DoTM‟s Practices for Standard Road Traffic Sign ........................................................................... 1-1 1.4.1 Past Practices .......................................................................................................................... 1-1 1.4.2 Current Status ......................................................................................................................... 1-2 CHAPTER 2 PURPOSES OF STANDARD ROAD TRAFFIC SIGNS ........................................ 2-3 2.1 Types of Signs ................................................................................................................................... 2-3 2.2 Perspective Users .............................................................................................................................. 2-3 2.3 Basic Principle for Signs, development of comprehensive list ......................................................... 2-3 2.3.1 Developing a Comprehensive List of Signs ........................................................................... 2-3 2.4 Developing a Comprehensive List of Signs ...................................................................................... 2-5 2.5 Compatibility with Internationally Standardized Signs ..................................................................... 2-5 CHAPTER 3 DESIGN AND USE OF STANDARD SIGNS ........................................................... 3-1 3.1 Choosing the appropriate size for Signs ............................................................................................ 3-1 3.2 Positioning of signs and siting ........................................................................................................... 3-1 3.2.1 General Aspect of Positioning the Signs ................................................................................ 3-1 3.2.2 Clearance, Placement of Two Signs on Same Post, Angle of Placement ............................... 3-1 3.2.3 Siting the Signs ....................................................................................................................... 3-3 CHAPTER 4 REGULATORY ROAD TRAFFIC SIGNS .............................................................. 4-1 4.1 Purpose and use ................................................................................................................................. 4-1 4.2 Sizes and installation ......................................................................................................................... 4-1 4.3 Placement, Visibility Required .......................................................................................................... 4-1 4.4 SPEED MANAGEMENT AND Speed LIMIT Signs ...................................................................... 4-2 4.4.1 Speed Management ................................................................................................................ 4-2 4.4.2 Traffic Calming Measures ...................................................................................................... 4-4 4.5 Schedule of regulatory signs............................................................................................................ 4-14 CHAPTER 5 WARNING ROAD TRAFFIC SIGNS ....................................................................... 5-1 5.1 Purpose and use ................................................................................................................................. 5-1 5.2 SHAPES, Sizes and installation ........................................................................................................ 5-1 5.3 Schedule of warning signs ................................................................................................................. 5-3 KEI in association with FBC Road Transport Safety and Axle Load Control Study in Nepal i TASK A-7/ Review and Update on Road Traffic Sign CHAPTER 6 INFORMATORY ROAD TRAFFIC SIGNS ............................................................ 6-1 6.1 Purpose and use ................................................................................................................................. 6-1 6.1.1 Direction Signs ....................................................................................................................... 6-1 6.1.2 Other Informatory Signs ......................................................................................................... 6-2 6.2 Font type, size, colour to ADOPT ..................................................................................................... 6-2 6.3 Schedule of informatory signs ........................................................................................................... 6-5 CHAPTER 7 SUPPLEMENTARY PLATES AND TRAFFIC SIGNALS .................................... 7-1 7.1 Supplementary Plates ........................................................................................................................ 7-1 7.1.1 General .................................................................................................................................... 7-1 7.1.2 Sign Size, Shape and Text ...................................................................................................... 7-1 7.1.3 Schedule of Supplementary Plates .......................................................................................... 7-2 7.2 Traffic Signals ................................................................................................................................... 7-3 7.2.1 General .................................................................................................................................... 7-3 7.2.2 Installation .............................................................................................................................. 7-4 7.2.3 Basic Means of Control .......................................................................................................... 7-4 7.2.4 Signals to control pedestrian movements ............................................................................... 7-6 7.2.5 Schedule of Signals ................................................................................................................. 7-8 CHAPTER 8 SIGNAGE AT CONSTRUCTION WORK ZONE .................................................. 8-1 8.1 General .............................................................................................................................................. 8-1 8.2 Planning Required ............................................................................................................................. 8-1 8.3 Basic Signs that are Needed .............................................................................................................. 8-2 8.4 Sign Layouts ...................................................................................................................................... 8-4 8.5 Contractor‟s Responsibility for Signing ............................................................................................ 8-5 CHAPTER 9 ROAD MARKINGS ..................................................................................................... 9-1 9.1 Purpose and use ................................................................................................................................. 9-1 9.2 Schedule of road markings ................................................................................................................ 9-1 CHAPTER 10 SPECIFICATION FOR MANUFACTURING SIGNS AND MARKING .......... 10-1 10.1 Sign lettering ................................................................................................................................... 10-1 10.2 Standards for construction ............................................................................................................... 10-1 10.2.1 Traffic Signs ......................................................................................................................... 10-1 10.2.2 Reflectorisation ..................................................................................................................... 10-2 10.2.3 Traffic Signals ...................................................................................................................... 10-4 10.2.4 Frames Supports and Fittings ............................................................................................... 10-4 10.2.5 Back Support Frame ............................................................................................................. 10-4 10.2.6 Sign Plates. Sign Plate Preparation And Coatings ................................................................ 10-5 10.2.7 Road Markings ....................................................................................................................