"traffic of passengers" is correct and usable in written English.
You can use it to refer to the number of people travelling by public transportation (airplanes, buses, etc.). For example, "The airport experienced a heavy traffic of passengers during the holiday season."
Increasing traffic loads of passengers require a system of road rescue service.
Station staff can monitor, through CCTV systems, the traffic flows of passengers at all entrances and exits of the station and ensure that entry/egress is smooth. .
The survey results present in Fig. 2 provide empirical evidence for understanding which is the best alternative traffic mode of passengers' expectation.
Marseille itself handles roll-on/roll-off traffic(of both passengers and freight, principally to Corsica and North Africa), visits of cruise liners, and some bulk food products.
It has a daily traffic of 8500 passengers.
Sari International Airport in 2004 to 2010 by considering the growth of global tourism, had improvement in air traffic but still is far away the deserving air traffic and number of passengers handling for Sari.
By 2015, Dubai is hoping for airport traffic of 51 million passengers, including 15 million tourists.
Mr Huzenlaub argues that the current Mexico-America traffic of about 15m passengers a year is artificially depressed by the high fares of the Mexican duopoly.
"Gare Lille Flandres" railway station counts 17 platforms for more than 500 trains per day and has a traffic of 20 million passengers per year (2012) and 110,000 daily users of which 70,000 take the train and 40,000 are only crossing, using services or going into its shops.
According to historian Martin Crouch, road traffic of goods and passengers combined was only 14 percent of the volume of rail transport.
