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In the analysis framework (Section 2.3), it was noted that economic impacts of highways can unfold over a period of many years, starting with initial interest in new development of land which is followed by new construction and business siting before any increases in employment and business sales are actually measured. This study utilized surveys of county and local officials in the Southern Tier West region (and a comparison region) to collect information on the extent to which the new interstate highway has led to further changes in land development, new construction and business siting patterns. The results of that survey process confirmed that the new interstate highway has indeed led to an increase in land development and business siting, though it has now been only two years since completion of the interstate highway and many of those changes are just now emerging.
The changes be characterized as follows:
In the analysis framework (Section 2.3), it was noted that increases in employment and income occur from new business openings and business expansions, which follows after local investment in land development and building construction. In other words, a time lag in observing employment and income increases is to be expected. A review of past studies of highway economic impacts have also confirmed that a ten year time lag is not unusual. [4]
In this case, it was found that there was also a time lag in the availability of measurement data. At the time of the analysis, detailed countywide employment and wage data was only available up to 2000, the year that the new interstate highway was completed. (At the time of publishing this report, data to 2001 is now available, which still represents just the first year after completion of the highway.) Clearly, this preliminary data is too premature to draw conclusions about the post-completion impacts, although it can be used to draw conclusions about employment trends occurring before and as the highway was being completed. It can thus be viewed as an indicator of initial economic changes occurring in anticipation of the highway project completion.
The available data on employment and income trends can be characterized as follows:
It will take at least three more years of hard economic data to observe the extent of any net increases in employment and income that are attributable to business openings only now occurring. To accurately assess long-term impacts on economic growth, up to ten years of economic data will be necessary. However, the very early data reported here can be viewed as consistent with the more detailed and up-to-date reports by local officials (as summarized in section 5.1).
This report has two primary uses.
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