Traffic safety
Safety here refers to the incident rate of accidents and/or fatalities. The approach
is similar to the KPI for cargo safety. The unit is percent of the total number of
shipments. (Alternatively, relative values could be expressed as percentages of the
transport ton-km, as suggested by the NTM model.) For each transport solution
within a corridor, the number of shipments that have been subject to an accident
will be presented in relation to the total number of shipments.
One difficulty with this indicator might be that distinct definitions of what
constitutes an ‘‘accident’’ apply on the different transport modes. An alternative