Fig 1.
Difference between GPS-revealed route and the shortest time route between the same OD.
Fig 2.
Percentage of trips in which travelers follow the shortest time path and percentage difference in length between the actual route and the shortest path by Euclidean distance between the origin and destination.
Fig 3.
Comparison in travel time between actual commute/non-commute trip route and corresponding shortest time route.
Fig 4.
Difference in travel time between chosen route and shortest time route as a percentage of the shortest path time.
Table 1.
Coverage: Percentage of generated routes which are observed using alternative route choice set generation algorithms based on GPS data and Twin Cities regional planning network.
Fig 5.
The number of speed observations on each link during the entire study period.
Fig 6.
Example of commute route identification and comparison.