A Framework to Assess the Correlation between Transportation Infrastructure Access and Economics: Evidence from Iran

Table 6

SPSS analysis on the correlation of rail, air and road access of cities with their average income, population, and the unemployment rate.

		Income	Population	Unemployment rate
Rail access	Pearson correlation	0.271	0.52	−0.36
	Sig. (2-Tailed)	0.19	0.657	0.002
Road access	Pearson correlation	0.578	0.299	−0.535
	Sig. (2-Tailed)	0.000	0.009	0.000
Air access	Pearson correlation	0.441	0.887	−0.149
	Sig. (2-Tailed)	0.000	0.000	0.203
	N	75	75	75