Assessing Access Protection Measures for the Redesign of Bahnhofstrasse in Lucerne

We examined whether mobile or fixed measures are necessary to prevent possible vehicle ramming attacks on Lucerne’s redesigned Bahnhofstrasse. More specifically, as part of a risk-based analysis, we considered the options of access protection measures that provide (a) full protection against vehicle attacks or (b) speed reduction of vehicles for each access route and evaluated these according to the criteria of necessity, expediency and proportionality. The latter in particular is often neglected, which can lead to oversized and/or costly measures.