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Changes between Version 8 and Version 9 of HighwayModel

v8	v9
31	31	Decision: We prefer alternative 1. We don't expect out network to be large enough for performance to be a factor. Even a list of thousands of LDS could be traversed in a second and we have 30 second intervals between ATMS updates.
32	32
	33	Include a "manual override" for operator to be able to clear congestion on demand,
	34
33	35	=== Algorithm overview ===
34	36	The algorithm that models congestion will build a simple FIFO queue of highways starting with the highway on which the incident occurs. Congestion will move linearly opposite the highway direction, advancing one LDS each interval (say 30 seconds). At each interval the list of intersections for this highway will be fetched from the Junction Map and checked to see if a junction has been encountered. If so, the intersecting highway will be added to the queue. After advancing the congestion for each highway in the queue the algorithm ends.