Author(s) |
Anu Rangarajan, Delia Welsh, Anthony Harris, Patricia Costa, Laura Meyer, Sarah Hughes, Seth Morgan, and Ali Protik |
Date |
2017-04-27 |
Country |
Ghana |
Table of contents |
ACRONYMS............................................................................................................................VII
I. INTRODUCTION.............................................................................................................1
A. Key research questions and guiding principles for the evaluation design ............................1
B. Overview of project activities, program logic, and beneficiaries .........................................3
1. The N1 Highway...................................................................................................6
2. Trunk Roads Activity (Afram Basin).........................................................................6
3. Feeder Roads......................................................................................................6
C. Literature review........................................................................................................7
1. Impacts on direct beneficiaries of improved roads......................................................7
2. Broader economic effects of infrastructure investments ............................................10
3. Contribution of this evaluation to the literature on roads investments ..........................12
D. Organization of the evaluation design report ................................................................13
II. ECONOMIC ASSESSMENT ...........................................................................................15
A. Motivation and research questions..............................................................................15
B. Data sources...........................................................................................................17
1. Data requirements for HDM-4 model .....................................................................17
2. Data requirements for RED model.........................................................................19
C. Sampling approach for new data collection..................................................................19
D. Analytical approach..................................................................................................21
1. HDM-4 approach for N1 Highway evaluation ..........................................................21
2. RED model for feeder and trunk roads:..................................................................24
3. Data reporting and visualization............................................................................25
E. Risks and mitigation strategies...................................................................................25
III. PERFORMANCE EVALUATION......................................................................................28
A. Motivation and research questions..............................................................................28
B. Roads maintenance .................................................................................................28
1. Data sources and outcomes.................................................................................31
2. Analytical approach ............................................................................................32
C. Road users.............................................................................................................34
1. Data sources and outcomes.................................................................................35
2. Sampling for the expanded vehicle intercept survey.................................................37
3. Analytical approach ............................................................................................37
D. Transportation cost savings.......................................................................................39
1. Data sources and outcomes.................................................................................40
2. Analytical approach ............................................................................................40
E. Risks and mitigation strategies...................................................................................42
IV. IMPACT EVALUATION ..................................................................................................44
V. DATA COLLECTION......................................................................................................44
A. Primary quantitative data...........................................................................................44
1. Road condition data............................................................................................45
2. Road user data ..................................................................................................46
3. Process for collecting primary quantitative data.......................................................48
B. Secondary data.......................................................................................................49
1. Types of secondary data .....................................................................................49
2. Process for collecting secondary data....................................................................49
C. Primary qualitative data ............................................................................................50
D. Data quality plan......................................................................................................51
VI. EVALUATION ADMINISTRATION AND MANAGEMENT.....................................................54
A. Institutional review board...........................................................................................54
B. Data access, privacy, and documentation....................................................................54
C. Dissemination .........................................................................................................55
D. Evaluation team.......................................................................................................55
E. Evaluation timeline and reporting schedule..................................................................55
REFERENCES.........................................................................................................................58
APPENDIX A: SUMMARY OF STUDIES IN THE LITERATURE REVIEW.........................................64
APPENDIX B: LIST OFVARIABLES FOR HDM-4 AND RED..........................................................70
APPENDIX C: SAMPLE SIZE....................................................................................................76 |
Download |
http://catalog.ihsn.org//catalog/9444/download/93537 |