Travel time data file
This file records travel time and speed data between adjacent stations
as well as vehicle length data for vehicles that are tracked via the re-identification
algorithm.
File name format
tc-<year>-<month>-<day>.txt
Sample travel time data file entries
61639272005 2 true 5 4 19.0 25.0 26.0 66.0 63.0 63.0 3.0 1 505
61639272059 3 true 5 4 22.0 61.0 61.0 55.0 55.0 56.0 6.0 1 -3432
61639272149 3 true 5 4 22.0 81.0 84.0 55.0 56.0 56.0 6.0 1 -3432
61639272162 2 true 7 6 12.0 60.0 63.0 58.0 61.0 61.0 10.0 1 2068
61639272567 4 true 7 6 13.0 69.0 72.0 58.0 59.0 58.0 5.0 1 -10656
61639273139 4 true 6 5 20.0 75.0 72.0 55.0 56.0 59.0 12.0 1 11076 |
Field descriptions for travel time data file records
Field 1: Arrival time
61639272005
2 true 5 4 19.0 25.0 26.0 66.0 63.0 63.0 3.0 1 505
adsf
Field 2: Lane
61639272005 2
true 5 4 19.0 25.0 26.0 66.0 63.0 63.0 3.0 1 505
This field is the lane in which the vehicle was observed.
Field 3: Subsample
61639272005 2 true
5 4 19.0 25.0 26.0 66.0 63.0 63.0 3.0 1 505
[info]
Field 4: Upstream station
61639272005 2 true 5
4 19.0 25.0 26.0 66.0 63.0 63.0 3.0 1 505
This is the station i.d. of the station where the vehicle was
initially identified.
Field 5: Downstream station
61639272005 2 true 5 4
19.0 25.0 26.0 66.0 63.0 63.0 3.0 1 505
This is the station i.d. of the second (or downstration) station
used to complete the calculations for the record.
Field 6: Travel time
61639272005 2 true 5 4 19.0
25.0 26.0 66.0 63.0 63.0 3.0 1 505
This field is the time of travel between the two stations, in
seconds.
Field 7: Vehicle length (upstream)
61639272005 2 true 5 4 19.0 25.0
26.0 66.0 63.0 63.0 3.0 1 505
This field is the calculated vehicle length, in feet, as measured
at the upstream station.
Field 8: Vehicle length (downstream)
61639272005 2 true 5 4 19.0 25.0 26.0
66.0 63.0 63.0 3.0 1 505
This field is the calculated vehicle length, in feet, as measured
at the downstream station.
Field 9: Vehicle velocity (upstream)
61639272005 2 true 5 4 19.0 25.0 26.0 66.0
63.0 63.0 3.0 1 505
This is the vehicle velocity as calculated from the dual loop
detector measurements at the upstream station.
Field 10: Vehicle velocity (downstream)
61639272005 2 true 5 4 19.0 25.0 26.0 66.0 63.0
63.0 3.0 1 505
This is the vehicle velocity as calculated from the dual loop
detector measurements at the downstream station.
Field 11: Vehicle velocity
61639272005 2 true 5 4 19.0 25.0 26.0 66.0 63.0 63.0
3.0 1 505
This is the vehicle velocity as calculated from the distance and
travel time between the two stations.
Field 12: Density
61639272005 2 true 5 4 19.0 25.0 26.0 66.0 63.0 63.0
3.0 1 505
[info]
Field 13: Version
61639272005 2 true 5 4 19.0 25.0 26.0 66.0 63.0 63.0
3.0 1 505
[info]
Field 14: Offset
61639272005 2 true 5 4 19.0 25.0 26.0 66.0 63.0 63.0
3.0 1 505
[info]
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