"postal traffic" is a correct and usable phrase in written English.
It can be used to refer to the activity of sending and receiving mail through the postal service. For example, "Postal traffic has increased significantly during the pandemic, as people are relying on delivery services more than ever."
Postal traffic has grown rapidly.
It accounted for about 60 percent of all postal traffic, which totaled some 54,500,000,000 items annually.
After 1840 the volume of postal traffic increased enormously and by 1870 had reached 10 times its prereform level.
The United States maintains the largest postal system in the world, handling almost half the world's volume of postal traffic.
Buffer-storage facilities, in the form of ramps, hoppers, and moving belts, have to be incorporated to compensate for normal postal traffic fluctuations.
"Or if it has a handwritten address because most international postal traffic is commercial".
It was a contact back home in Yorkshire who hooked them up with their man in Peshwar, which has enabled the pair to operate their lucrative postal trafficking business for the last four years without too many complicated logistics.
Labourers who work in hot indoor or outdoor environments in Taiwan include construction workers (roads and roofs), farming and fishing workers, cooks (in bakeries and kitchens), metal and glass manufacturers (for instance, in steel and bicycle factories), and transportation workers and material movers (for example, postal deliverers and traffic policemen).
Hooking up with the international system's buried wiring involves gaining everything from telephone dialling codes to internet suffixes, via postal connections, air-traffic control and trade tariffs.A foreign service is already taking shape.
There is little traffic, no postal service, no state currency (rubles, not Georgian lari, circulate here) and a marginal economy.
And he began high-level talks on migration, drug trafficking and postal services with the Cuban authorities, discussions that President Bush had halted.
