traffic management budget

Most European and North America cities don’t plan to increase spending on traffic management in the next 5 years (L1) although efficient public transport could save US$800b (1% global GDP) (L2)

(L1): http://www.credo-group.com/download/WP_TrafficManag+CaseStudies_e_interaktiv.pdf
(L2) (http://www.siemens.com/press/en/pressrelease/?press=/en/pressrelease/2014/infrastructure-cities/ic201406009.htm)