EXPANDING METROPOLITAN HIGHWAYS: IMPLICATIONS FOR AIR QUALITY AND ENERGY USE. APPENDIX B: REVIEW OF EMPIRICAL STUDIES OF INDUCED TRAFFIC

The results of empirical studies of the effects of expanding highway capacity on highway system use are reported in this appendix according to the following categories: Studies of specific facilities; Studies of areawide measures of highway supply; and Studies of the travel behavior of individuals or households that can be used to estimate changes in highway system use.