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From page 20...
... 20 This chapter provides an overview of the primary steps involved in conducting the truck bottleneck analysis. As described in the prior chapter, the speed data focus throughout these methods is truck probe speed data because they are the most cost-effective and widely available data source for most transportation agencies.
From page 21...
... Overview of truck Bottleneck analysis Steps 21 that because the travel patterns of trucks are different than those of cars, bottlenecks that are most important for trucks may not be the most important ones for total volume. The same methods are usable to rank segments by truck volume if reliable vehicle classification data are available.

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