Paul St-Aubin edited Results Sample HLI.tex  about 9 years ago

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\end{tabular}  \end{table}  The cumulative distribution of 15th percentile motion pattern TTCs is broken down by roundabout cluster as illustrated in Figure~\ref{fig:TTC_CDF}. Cluster $cl_3$ (2-lane arterials with highly polarized flow ratios) offers the best and clearest safety benefits, while cluster $cl_5$ (traffic circles converted to roundabouts with 2 lanes, extremely large diameters, tangential approach angles) offers markedly decreased safety performance. $cl_6$ (single-lane regional highways with large-angle quadrants (140 degrees) and even flow ratios) is ambiguous in its interpretation: while there is a general left-shift in TTC distribution (towards lower values) there is also a decrease in frequency of the lowest (most severe) TTC indicators. The remaining clusters, representing 31 sites, tend towards an average TTC distribution. This is still a large number of sites. Further investigation, regressing for specific factors, is warranted. warranted \cite{St_Aubin_2015_TRBb}.  \subsection{Sample High-Level Interpretation Analysis}