| Projects | 
| 2020-2021 | GIZ: Team Leader of a Bus Feasibility Study for Northern Namibia | 
| 2020 | KfW: Scoping Study for Employment Effects in Transport  | 
| 2019-2020 | ReCAP: Scoping Study to Explore the Suitability of SDG Indicator 9.1.2 for Rural Access | 
| 2019-2020 | UN Habitat: Sustainable Urban Mobility Plan (SUMP) Mitrovica, Kosovo.  | 
| 019 | World Bank: Rural freight logistics to connect to major trade and transport corridors.  | 
| 2018 | KfW: Technical preparation of mobility projects in Morocco and Tunisia | 
| 2018 | KfW: E-Mobility in Nepal, Scoping Study on the introduction of e-bikes in Kathmandu. | 
| 2018 | ISI
Fraunhofer Institut (Karlsruhe): LOWCARB−RFC — European Rail Freight
Corridors Going Carbon Neutral, Analysis of External Costs | 
| 2017 | KfW: Ex-post evaluation of the budget support for the transport sector in Namibia | 
| 2016-2017 | Asian
Development Bank: Ningxia Liupanshan Poverty Reduction Rural Road
Development - Design of a household survey on the impacts of rural
roads, China. | 
| 2016 | 
KfW: Ex-post evaluation of the project Rehabilitation of National Road San Pedro Carchá – Fray Barolomé de las Casas, Guatemala. | 
| 2016 | 
Barrier-free Mobility, Research Project on behalf of Matthias Gastel (MP, Green Party, Germany) | 
| 2015-2017 | 
SLOCAT: Promotion of Sustainable Rural Access in the Post 2015 Sustainable Development Agenda prepared for AFCAP-ASCAP | 
| 2015-2016 | 
Asian Development Bank: Ningxia Liupanshan Poverty Reduction Rural Road Development - Poverty and Impact Evaluation, China | 
| 2015 | 
KfW: Ex-post evaluation of the project Rehabilitation of National Road No 5, Cameroon  | 
| 2015 | 
Best Practice Examples for Sustainable Urban and Rural Mobility, Research Project on behalf of Matthias Gastel (MP, Green Party) | 
| 2014 | 
KfW:
Pre-Feasibility Study on Transport Options and Trunk Road Concepts to
Reduce Traffic Crossing the Serengeti National Park, Tanzania | 
| 2012-2013 | 
GIZ: Sustainable
Urban Transport Master Plan, Windhoek, Namibia | 
2012-2013 
 | 
AFCAP:
Smallholder Farmers to Meet New Agricultural Market Demands, Kenya | 
2012 
 | 
GIZ:
Market strategies for the German Climate Technology Initiative (DKTI),
Efficient and climate friendly Mobility | 
2012 
 | 
KfW:
Socially-Inclusive, Energy Efficient and Environmental Friendly Urban
Mobility
in Developing Cities | 
| 2011 | 
European
Parliament: Reducing railway noise pollution 
 | 
| 2010 -2011 | 
EU Project: WEATHER EXTREMES: Assessment of
Impacts on Transport Systems and Hazards for European Regions 
 | 
| 2009 | 
World Bank: Freight
Transport For Development Toolkit, Rural Transport. | 
| 2008 - 2009 | 
EU Project ASSET:
Assessing Sensitiveness to Transport | 
| 2008 | 
KfW: Aid Efficiency in the
Infrastructure Sector (Paris Declaration) | 
| 2007 | 
KfW: Rural Roads and
Markets in Western and Central Province, Pre-Evaluation Kenya | 
| 2007 | 
EU Project REFIT:
Refinement and Test of Sustainability and Tools with Regard to European
Transport Policies | 
| 2007 | 
EU Project GRACE:
Generalisation of Research on Accounts and Cost Estimation | 
| 2006 - 2007 | 
GTZ: National
Transport Strategy Saudi Arabia | 
| 2006 | 
EU
Project COMPETE: Analysis of the contribution of transport policies to
the competitiveness of the EU economy and comparison with the United
States | 
| 2006 | 
Umweltbundesamt:
Application of Methods for the Internalisation of External Costs | 
| 2005 | 
World Bank: Evaluation of
the Rural Travel and Transport Program (component of SSATP) | 
| 2005 | 
African Development Bank:
Pre-appraisal mission of the Rural Access and Mobility Project, Nigeria. | 
| 2005 | 
InWEnt: Sustainable
Logistic Concepts in Commercial Transport III, SADC | 
| 2004 | 
Public Planning and Policy
Studies Inc. (Tokyo, Japan): Financing and Cost Sharing of Local Roads
in Germany | 
| 2003 - 2004 | 
GTZ-Project Design:
Road Transport Advisor to the Minister (Namibia) | 
| 2003 | 
Public Planning and Policy
Studies Inc. (Tokyo, Japan): Comparative investigation in road
structural design (Germany) | 
| 2002 | 
German Railways (DB AG):
Integrated planning of trains and buses | 
| 2002 | 
GTZ International
Services: Niger Delta Master Plan (Nigeria) | 
| 2002 | 
KfW: Rural Markets and
Roads, Pre-appraisal Mission (Bangladesh) | 
| 2001 - 2002 | 
German Ministry for
Education and Research (BMBF): Flexible Service Provision for Public
Transport (AMABILE) | 
| 2001 | 
GTZ: Financing Urban Roads
(Workshop in Namibia) | 
| 2001 | 
EU: Marginal Costs of
Transport in Europe | 
| 1999
- 2001 | 
Federal Office for Building and Regional
Planning (BBR):
Integration of regional planning targets into federal transport
planning (BVWP) | 
| 1999 | 
German Ministry for
Education and Research (BMBF): Contribution of Nord-Thüringen for the
InnoRegio-Competition. | 
| 1999 | 
World Bank: Rural Travel
and Transport Program RTTP (Ministère des Travaux Publics, Madagascar) | 
| 1999 | 
UIC: External Effects of
Transport in Europe (Update) | 
| 1997 | 
IFRTD: Design of transport
research projects: Kenya and India | 
| 1996 | 
Ministry of Transport
Baden-Württemberg: Handbook on Transport in Baden-Württemberg | 
| 1995 | 
UIC: External Effects of
Transport in Europe | 
| 1995 | 
FIAT: Comparative
Transport Study in eight G7-Cities, Hamburg | 
| 1994 | 
Ministry of Transport
Baden-Württemberg: Regional Traffic Management for Stuttgart STORM | 
| 1993 - 1994 | 
EU/SADC: Regional
Transport and Communications Integration Study for Southern Africa | 
| 1993 - 1994 | 
Ministry of
Transport Baden-Württemberg: General Transport Plan | 
| 1993 | 
Federal Ministry for
Spatial Planning: Transport Action Programme for the Spatial Planning
Framework | 
| 1992 - 1993 | 
Ministry of
Transport Sachsen: General Transport Plan, Sachsen | 
| 1991 - 1992 | 
Ministry of
Transport Baden-Württemberg: Integrated Urban Transport Project,
Stuttgart | 
| 1990 - 1992 | 
Ministry of
Transport Baden-Württemberg: Transport in Europe, compilation of a
workshop reader |