In this study of a large scale highway upgrade project in India, called the Golden Quadrilateral (GQ), Kerr, Grover and Ghani (2013) find several positive effects on the organized sector for non-nodal districts located in proximity with the GQ vis-à-vis other districts — most notably higher entry rates and improved allocative efficiency.
Goswami, A.G.; Kerr, W.R. PEDL Research Note. Highways, Firm Productivity, and Allocative Efficiency in India. Centre for Economic Policy Research (CEPR), (2013) 3 pp.
PEDL Research Note. Highways, Firm Productivity, and Allocative Efficiency in India