Population Change: An Indicator of Freeway Impact

by Pai-kang Wang, Grad. Student; Dept. of Civ. Engrg., Northwestern Univ., Evanston, Ill.,
Joseph L. Schofer, (A.M.ASCE), Prof. of Civ. Engrg.; Northwestern Univ., Evanston, Ill.,
George L. Peterson, (M.ASCE), Assoc. Prof. of Civ. Engrg.; Northwestern Univ., Evanston, Ill.,

Serial Information: Transportation Engineering Journal of ASCE, 1975, Vol. 101, Issue 3, Pg. 491-504

Document Type: Journal Paper


By means of historical (census) data and study versus control area comparison, the impacts of two Chicago freeways are analyzed. Population change is found to be a sensitive indicator of impact, but the effect is modified by the character of the community. Population change is apparently related to distance from the freeway. The spatial pattern of change agrees with the predictions of Accessibility Acceptance Theory. The results also suggest that effects on population change diminish over time until equilibrium is reached.

Subject Headings: Highways and roads | Comparative studies | Historic sites | Equilibrium | Chicago | Illinois | United States

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