Executive Summary Report
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Office of Transport and Traffic Policy and Planning The study of Traffic Impact Assessment Standard Executive Summary Report A21 Consultant Naresuan University JUNE 2019 PSK Consultants Executive Summary Report The study of Traffic Impact Assessment Standard CONTENT Page CHAPTER 1 INTRODUCTION 1-1 1.1 Background 1-1 1.2 Objectives 1-1 1.3 Scope of Study 1-2 1.4 Study framework 1-3 CHAPTER 2 REVIEW OF TRAFFIC IMPACT ASSESSMENT 2-1 2.1 Traffic Impact assessment in Thailand 2-1 2.2 Traffic impact assessment in developed countries 2-5 CHAPTER 3 SURVEY FOR VARIABLES, AND PARAMETERS FOR TRAFFIC IMPACT STUDY 3-1 3.1 Survey for standard parameters for road link and junction capacity 3-1 3.2 Trip rate survey 3-5 CHAPTER 4 DEVELOPMENT TYPE AND LEVEL OF TRAFFIC IMPACT 4-1 4.1 Type of Development 4-1 4.2 Level of Traffic Impact and TIA Report. 4-4 4.3 Indicative thresholds for Traffic Impact Assessment 4-5 CHAPTER 5 TRAFFIC IMPACT ASSESSMENT STANDARD 5-1 5.1 Study Components 5-1 5.2 Mitigation Measures 5-6 CHAPTER 6 TRAFFIC IMPACT ASSESSMENT IMPLEMENTATION PLAN 6-1 6.1 Laws and Regulations 6-1 6.2 Classification of TIA project 6-4 6.3 Implementation of traffic impact assessment standard 6-6 6.4 Traffic Impact Assessment Standards Implementation Plan 6-7 Content-1 Executive Summary Report The study of Traffic Impact Assessment Standard CONTENT (CONT.) Page 6.5 Process and consideration of traffic impact assesment reports 6-9 6.6 Traffic Impact Assessment Standards Implementation Plan 6-12 CHAPTER 7 PUBLIC PARTICIPATION AND PUBLIC RELATIONS 7-1 7.1 Seminar (Public Hearing) 7-1 7.2 Training on TIA 7-3 7.3 Focus group meeting 7-5 CHAPTER 8 TECHNICAL SUPPORT 8-1 8.1 Assignment No.1: The concept of solving traffic problems by using tunnels in Bangkok and vicinity area. 8-1 8.2 Assignment No.2: Traffic Management Study for Siriraj Hospital and its vicinity. 8-4 8.3 Assignment No.3: Master plan for solving traffic congestion in Bangkok Metopolitan Region. 8-6 Content-2 Executive Summary Report The study of Traffic Impact Assessment Standard FIGURE OF CONTENTS Page FIGURE 1.4-1 PROJECT STUDY FRAMEWORK 1-3 FIGURE 2.1-1 CHRONOLOGY OF TRAFFIC IMPACT STUDIES IN THAILAND 2-1 FIGURE 2.2-1 BACKGROUND AND RELATED LAWS OF EACH COUNTRY 2-6 FIGURE 3.1-1 TYPE OF ROAD AND JUNCTION USED FOR LINK CAPACITY AND JUNCTION CAPACITY SURVEY. 3-1 FIGURE 3.1-2 TRAFFC FLOWS OF T-JUNCTION AT UNSIGNALIZED CONDITION 3-4 FIGURE 3.1-3 TRAFFC FLOWS OF 4-LEG JUNCTION AT UNSIGNALIZED CONDITION 3-4 FIGURE 5.2-1 THE CONCEPTUAL FRAMEWORK OF MITIGATION MEANSURES 5-6 FIGURE 6.2-1 TYPE OF PROJECTS THAT NEED TO PERFORM EIA AND TIA STUDY 6-5 FIGURE 6.4-1 SUMMARY OF IMPORTANT ISSUES AND IMPLEMENTATION OF EACH OF THE PROPOSED OPTIONS 6-8 FIGURE 6.5-1 STRUCTURE OF TRAFFIC IMPACT ASSESSMENT COMMITTEE AND RELATE ORGANIZATION 6-9 FIGURE 6.5-2 APPROVAL FRAMEWORK OF TRAFFIC IMPACT ASSESSMENT STUDY WITH HIGH IMPACTS 6-10 FIGURE 6.5-3 APPROVAL FRAMEWORK OF TRAFFIC IMPACT ASSESSMENT STUDY WITH MODERATE TO SMALL IMPACTS 6-10 FIGURE 6.6-1 GUIDELINES FOR IMPLEMENTATION IN THE SHORT AND MEDIUM TERM 6-13 FIGURE 6.6-2 GUIDELINES FOR MEDIUM AND LONG TERM IMPLEMENTATION PLAN 6-14 FIGURE 7.1-1 PICTURES OF 3 SEMINARS 7-1 FIGURE 7.2-1 PICTURES FROM 3 TRAINING SESSION THAT HAVE BEEN HELD 7-3 FIGURE 7.3-1 FOCUS GROUP MEETING. 7-5 FIGURE 8.1-1 BANG KRACHAO-SATHORN TUNNEL CONSTRUCTION MODEL 8-3 FIGURE 8.1-2 BANG KRACHAO-SATHORN TUNNEL ROUTE 8-3 FIGURE 8.2-1 PROPOSED SOLUTION ON INTERNAL TRAFFIC CIRCULATION 8-5 FIGURE 8.2-2 TRAFFIC MANAGEMENT AT SIRIRAJ INTERSECTION 8-5 Content-3 Executive Summary Report The study of Traffic Impact Assessment Standard TABLE OF CONTENTS Page TABLE 2.1-1 SUMMARY OF SUBMISSION GUIDELINES FOR PROJECT APPROVAL 2-2 TABLE 2.1-2 SUMMARY THE DETAIL OF WHAT MUST BE PROVIDED IN ORDER TO CONSTRUCT DEVELOPMENT FROM RELEVATE AUTHORITIES. 2-4 TABLE 2.2-1 COMPARISON OF KEY ISSUES OF TIA 2-7 TABLE 3.1-1 PARAMETERS FOR EQUATION OF RELATIONSHIP BETWEEN VELOCITY AND FLOW RATE 3-2 TABLE 3.1-2 LEVEL OF IMPACT ON ROAD 3-2 TABLE 3.1-3 SATURATED FLOW AND STARTING LOST TIME FOR JUNCTION TYPES 3-3 TABLE 3.1-4 SATURATED FLOW AND STARTING LOST TIME FOR ROUNDABOUT 3-3 TABLE 3.1-5 COEFFICIENT OF CAPACITY OF THE JUNCTION WITHOUT TRAFFIC LIGHTS 3-4 TABLE 3.1-6 TRAFFIC IMPACT LEVELS AT INTERSECTIONS 3-4 TABLE 3.2-1 SUMMARY OF TRIP RATE ANALYSIS 3-6 TABLE 3.2-2 DISTRIBUTED TRIP DURING PEAK HOUR 3-7 TABLE 4.1-1 THE 15 TYPE OF LANDUSES NEED TO PERFORM THE TRAFFIC IMPACT ASSESSMENT 4-1 TABLE 4.2-1 DETERMINATION OF TRAFFIC IMPACT LEVEL AND TIA REPORT 4-4 TABLE 4.3-1 THRESHOLDS BASED ON SIZE OR SCALE OF LAND USE 4-5 TABLE 5.1-1 LIST OF TOPICS REQUIRED FOR TRAFFIC IMPACT ASSESSMENT REPORT 5-1 TABLE 5.1-2 CONTENTS REQUIRED TO PRESENT IN TIA REPORT 5-2 TABLE 6.1-1 LEGAL AND REGULATORY ABOUT SIZE AND LOCATION OF THE PROJECT THAT REQUIRE TIA 6-3 TABLE 6.3-1 OPERATIONAL GUIDELINES FOR STANDARDIZATION OF TRAFFIC IMPACT ASSESSMENT 6-6 TABLE 7.1-1 THE SUMMARY OF COMMENTS AND SUGGESTIONS FROM THE 3 SEMINARS WERE AS FOLLOWS: 7-2 TABLE 7.2-1 SUMMARY OF THE COMMENTS AND SUGGESTIONS RECEIVED FROM THE 3 TRAINING SESSIONS 7-4 TABLE 7.3-1 SUMMARY OF IDEAS AND SUGGESTIONS FROM FOCUS GROUP MEETINGS 7-6 TABLE 8.1-1 REVIEW SUMMARY OF THE TUNNEL PROJECT IN FOREIGN COUNTRIES AND THAILAND. 8-2 Content-4 Executive Summary Report The study of Traffic Impact Assessment Standard TABLE OF CONTENTS (CONT.) Page TABLE 8.2-1 TRAFFIC PROBLEM AND CONDITION 8-4 TABLE 8.2-2 PROPOSED TRAFFIC SOLUTIONS 8-5 TABLE 8.3-1 DEFINED CRITICAL CORRIDORS OF THE INCREASED ROAD CAPACITY STRATEGY 8-7 Content-5 CHAPTER 1 INTRODUCTION Executive Summary Report The study of Traffic Impact Assessment Standard Chapter 1 Introduction Background The traffic problems in Bangkok and other major cities is dominant. It has been drastically affecting the country economic in the competition level, worsen air and noise conditions and undermine quality of life of the population. The most important factors causing traffic problems are one center for inclusive growth, high level of employment prevail only in the inner-city area and more importantly the lack of quality and accessible public transportation system. The fact that development of Bangkok and other major cities grows rapidly with several large project developments have directly affect on the increment of travel demand leads to over consumption of planned transportation facility and finally generates traffic problems. In the present, standard setting for Traffic Impact Assessment (TIA) which support and mitigate the current situation of city development and other traffic problems in the present and what will occur in the future is not currently present in Thailand. If there is no standard setting for Traffic Impact Assessment, the assessment of development impacts will be unable to assess. More importantly, the preparation of mitigation plans or mitigation strategies in order to support the travel demand will be impractical, which will soon create more traffic problems in the future. The office of Transport and Traffic Policy and Planning operates under Ministry of Transport, has an authority to offer the policy and traffic planning system and standardization of traffic system management to the cabinet, see as appropriate that Traffic Impact Assessment standard need to be set up so that it can be used as a possible model in order to manage, decrease and minimize the most effect of development since the construction approval process and during the construction also apply mitigatation strategies after the construction finished, with that the cabinet also see as appropriate to take the study of TIA into practical level. Objectives 1) To set up the Traffic Impact Assessment standard and together prepare the index and parameter related to TIA. Also purpose the way to legitimate the standard to the practical level and purpose the implementation plan. 2) Prepare technical support related to traffic policy and planning. 3) Enhance knowledge and potential of transport and policy and planning’s officers along with its relevant department in order to strengthen the analysis and planning skills. 1-1 Executive Summary Report The study of Traffic Impact Assessment Standard Scope of Study 1.3.1 Task 1: Study, collect, and analyze information related to the traffic impact assessment data of relevant agencies Study, collect, and analyze data and the study process of traffic impact assessment by using the index, variable, and parameters from the foreign department to analyze and compare to operation in Thailand. 1.3.2 Task 2: Explore the relevant information, index, variable, and parameter need to be used in studying the traffic impact assessment in order to recommend the suitable one. Explore the information need to be used in the study of traffic impact assessment in order to analyze and set up the suitable parameter such as trip generation, trip attraction, and level of service. 1.3.3 Task 3: Set the standard for traffic impact assessment to be used as guideline and purpose the implementation plan.