e Chapter 3 Traffic Flow Modelling 3.3 Typical process situations(scenarios) Low demand(off peak Predicable high demand(peak hour Non-predicable high demand(special events) Capacity-reducing(incidents Device failures3.3 Typical process situations(scenarios) • Low demand (off peak) • Predicable high demand (peak hour) • Non-predicable high demand (special events) • Capacity-reducing (incidents) • Device failures Chapter 3 Traffic Flow Modelling