Freeway incident and non-incident data was collected from the Santa Monica, Harbor, and San Diego Freeways in Los Angeles, California and stored on magnetic computer tapes. The data was collected from vehicle presence sensors imbedded in the freeways which are polled by a computer 15 times per second. So that this data may be used in a wide variety of applications, the time actuations of the individual wheels crossing the sensors are recorded on the tapes. This report contains specific information on how the data is stored on nine magnetic tapes and identifies 33 specific data sets plus a Fortran data Analysis Program.


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