Traffic Jam Calculations: BaseRide unique mechanism

A sort of an interesting fact. BaseRide developers worked out a unique mechanism for traffic jam calculations in 2006 yet. This option was available for the users of our first information web-service which we designed for public transit real-time monitoring and passengers of route transport. So the amount of this service users reached 150 K within several months.

So what is the calculation algoritm? As other services do, working hard at traffic jam forecasts, we use data from “agents” in the field.

Public transit vehicles suit this role perfectly. For they wander along almost all city roads.

Once in 30–60 seconds BaseRide gets updated information about each bus equipped with a tracker and connected to the system. Each point is given exact time mark, and we know for sure what time the tracked vehicle spends on covering the distance between two points.

We put this time marks together with the nearby roads and watch, what route could this bus follow to get from one point to the second one.

Then we get to the school basics and use a preliminary formula to сount speed with which the bus made the distance. This speed is taken as the average traffic flow speed for this route segment.

If it is less than 3 km/h, the system considers the flow movement as heavy, and this segment will be colored red on the map.

If the bus moves not faster than 10 km/h, then the congestion is medium, so the map color will turn to yellow.

Green means the road is quite unobstracted.

How do we choose “agents”? It is a bus that has covered the distance between mark 1 and mark 2 as the latest. But the map is colored if the information transmitted by one bus is proved true by the next coming bus.

So we taught BaseRide to shape traffic jam map according to the real-time monitoring data. Now it is available in the cities where route transport is connected to our service CloudBus. But taking into account that we all are deep in the free data epoch, that BaseRide handle Big Data and can aggregate information from any amont of vehicles, you will soon use a BaseRide world-wide traffic jam map, not tied to any region and available anywhere where GPS signal soars.

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