Results

The data shown below combines the data collected from the start of the project up until November 2006 (completed Phase 1 and Phase 2 of the project)..

*Injury severity shown in Table 1 is the OTS estimate of severity to be shown in UK national statistics (Stats19). Please note that this estimate may occasionally differ from national statistics, which are updated by the police in the days following the accident. VSRC are currently exploring a mechanism to link OTS data with the national records for accident injury severity.

Table 2 shows the distribution of vehicle types in the OTS database, in the two sample areas. Note that OTS records pedestrians as active road users in their own right. Consequently the “vehicle” with which a pedestrian is associated is actually the pedestrian himself, and pedestrian thus becomes a vehicle type, and is represented at Vehicle level in the database. This is in contrast to the convention adopted in Stats19, where a pedestrian is associated with the vehicle which struck him, and is only recorded at Casualty level. This tends to produce difficulties if, for example, the pedestrian is struck by more than one vehicle, and it can also lead to confusion in coding; for example it is not uncommon for a bus passenger who alights and is then struck by a car to be associated with the bus, not the car, or for a car driver who alights and is struck by a HGV to be associated with his own vehicle, not the HGV. The OTS system should alleviate both these problems.

 Table 3 shows the number of pedestrians, by age group who have been involved in accidents investigated by OTS. The slight over-representation of pedestrians in the VSRC area is to be expected, given its predominantly urban nature.

Figure 1 shows the distribution of accidents by the time of day that the accidents occurred.

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