Research Article
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 |
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