Examples of specific studies that have documented the direct, indirect and induced impacts of public transportation investment and operating spending on region-wide jobs and wages are the Atlanta MARTA Economic Impact Study (Tanner and Jones, 2007), the Oklahoma Transit Impact Study (Johnson, 2003), the Wisconsin Transportation Impact Study (Cambridge Systematics and EDR Group, 2003) , Chicago Transit Economic Impact Study (EDR Group et al, 2007) and California High Speed Rail Environmental Impact Study (Cambridge Systematics and EDR Group, 2007). .
