Result

A Guide to Traffic Signing Ministry of Infrastructure Development Safety and Environment Unit United Republic of Tanzania 2009  United Republic of Tanzania Ministry of Infrastructure Development Table of Contents Foreword 1. INTRODUCTION........................................................................................................ 1 2. TRAFFIC SIGNING PRINCIPLES ............................................................................. 1 3. TRAFFIC SIGN CLASSIFICATION ........................................................................... 2 4. ROAD SIGNS ............................................................................................................ 3 4.1. Siting and Mounting of Road Signs ............................................................................ 3 4.2. Regulatory Signs........................................................................................................ 5 4.3. Warning Signs............................................................................................................ 9 4.4. Guidance Signs........................................................................................................ 12 4.5. Information Signs ..................................................................................................... 16 4.6. Road Sign Materials and Manufacture ..................................................................... 17 5. ROAD MARKINGS .................................................................................................. 19 5.1. Purpose and Classification....................................................................................... 19 5.2. Sizes and Design Principles..................................................................................... 19 5.3. Schedule of Road Markings ..................................................................................... 21 5.4. No Overtaking Lines................................................................................................. 22 5.5. Markings at Junctions .............................................................................................. 24 5.6. Road Marking Materials ........................................................................................... 26 5.7. Roadstuds................................................................................................................ 26 6. TRAFFIC SIGNALS................................................................................................. 28 6.1. Purpose and Use ..................................................................................................... 28 6.2. Schedule of Traffic Signals....................................................................................... 28 6.3. Signals at Junctions ................................................................................................. 29 6.4. Pedestrian Signals ................................................................................................... 31 6.5. Traffic Signals at Railway Crossings ........................................................................ 32 6.6. Technical Specifications........................................................................................... 32 7. SIGNING AT ROADWORKS ................................................................................... 33 7.1. General Principles.................................................................................................... 33 7.2. General Layout ........................................................................................................ 35 7.3. Implementation ........................................................................................................ 36 A Guide to Traffic Signing iii  United Republic of Tanzania Ministry of Infrastructure Development A Guide to Traffic Signing iv  United Republic of Tanzania Ministry of Infrastructure Development FOREWORD Traffic signs are all the road signs, road markings, traffic signals and other devices used by road authorities to regulate, warn and guide traffic. They have a key role in ensuring the safe, smooth movement of road traffic. It is very important to have a standard set of signs and to use them in a consistent manner, so that the travellers can become familiar with them. Tanzania has adopted the SADC system of traffic signs, which conforms to the international conventions on traffic signing. It is only a little different from what has been used on our road up to now. This Gu