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In this paper, we present results of an entrance experiment investigating theeffect of the corridor width in front of a bottleneck on the density. The ideais based on a previous study suggesting that a guiding system in front of anentrance can reduce pushing of the waiting people and thus the density at theentrance. In our study we aim to find out to what extend the corridor width hasan impact on crowding or queuing behavior and with that on the density. Theresults of the presented experiment suggest that the transition takes placebetween a corridor width of 1.2 m and 2.3 m. The total duration of eachexperimental run is not significantly influenced by the corridor width but bythe width of the entrance itself, the number of participants and partly by themotivation. In general, the density in front of the gate as well as the area ofhigh density is increased by widening the corridor and by intensifying themotivation of the participants. However, the results also suggest that also thenumber of participants significantly influences the occurrence of pushing andthe level of density.

Crowding and Queuing in Entrance Scenarios: Influence of Corridor Width in Front of Bottlenecks