![]() ![]() Similarities and differences in the findings based on these evaluations. This chapter concludes with observations related to the 2 analytical approaches and examines This chapter reviews findings from a before-Īfter statistical analysis as well as a cross-sectional statistical evaluation for Texas speed limits. Sectional analysis, therefore, can supplement the before-after evaluation by examining trendsĪcross the state for roads with varying speed limits. Were changed as well as some measure of consistency for the before-and-after dates. The dates for these changes in speed limit varied by TxDOT District and roadway facility.Ĭonsequently, a before-after assessment can provide valuable information but may also sufferįrom sample size challenges as this approach requires knowledge of the date the speed limits In recent years, TxDOT increased speed limits to 75 mph or higher for select high-speed roads. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages. Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book.
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