Table 5 The results of the variance inflation factors for selected parameters

Rail traffic intensity—freight

3.13

Rail traffic intensity—total

3.11

Railway line electrification

1.66

Distance to the built-up area

1.38

Elevation

1.41

Distance to the nearest road

1.34

Population density

1.24

Distance to the forest

1.11

Railway station district

1.09

Railway line geometry

1.06