Assume an average occupancy rate of 1.8 people per car for a business event. With 400 guests, that amounts to approximately 220 cars. Keep in mind that not everyone will arrive by car: if public transportation is easily accessible, about 60 to 70% of guests will drive, while the rest will take public transportation. If the venue lacks sufficient parking capacity, arrange a park-and-ride facility with a shuttle, direct guests to nearby parking garages with a parking pass, or actively communicate public transportation alternatives. Always include parking recommendations in the invitation.
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