The formulas for the dependence between indicated weight and the gradient of the weighing site are deduced and presented in the form of a graph.
The possible sources of error are listed and hints are given how to increase the over all accuracy of the weighing result.
This is an article written for the Traffic Technology International magazine in 1997.
This paper was presented at the second COST 323 WIM conference in Lisbon 1998.
This paper covers all political, legal, technical and practical issues of weight enforcment.