This joint report by the ILO and UNECE report estimates the employment impact of investing in public transport and making them free, as well as moving towards electrification of vehicles in the member states of the United Nations Economic Commission for Europe (UNECE).
The report is available on the ILO website by clicking on the link below:
http://www.ilo.org/global/publications/books/WCMS_745151/lang–en/index.htm