During a preliminary hour of research, we have been able the breakdown percentage of different commuting modes for the city of Seattle. This included all the data needed except for the split for short (less than 6 miles in the spreadsheet) and long personal vehicle trips (over 6 miles). However, it did include the percentage breakdown for private car trips. This percentage would therefore represent both short and long trips. However, similar data was available in INRIX report for 28 of the total number of 60 cities. It is similar because it only includes trips of less than 3 miles and not 6 miles. So we propose to use this threshold to split the distances instead of 6 miles.
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