The phrase "a sort of traffic" is correct and usable in written English.
It can be used to describe a type or category of traffic, often in a metaphorical or non-literal sense.
Example: "There was a sort of traffic in ideas at the conference, with participants exchanging thoughts and concepts freely."
Alternatives: "a kind of traffic" or "a type of traffic".
We met on a sort of traffic island with tables.
Rollovers, they say, are a sort of traffic cancer -- uncommon but deadly -- that make S.U.V.'s slightly more dangerous for their own occupants than passenger cars.
Years of work by him and others found that the protein missing in those with fragile X normally seems to act as a sort of traffic cop at brain synapses, helping to stop or slow brain signaling at crucial intervals.
The command center, a sort of traffic cop that tracks objects in space, including tiny debris, will essentially offer guidance to Motorola about where and when to deorbit the satellites.
The command center, a sort of traffic cop that tracks objects in space, including tiny debris, will essentially offer guidance to Motorola about where and when to take the satellites out of orbit.
"Whilst it is of course necessary to have sanctions in the benefit system, I think we should introduce a sort of traffic light system so that some of the sanctions are not imposed quite as 'overnight' as they sometimes are," he said.
Now, a team in Switzerland has taken a key step in that effort by replicating the basic starting point from which the superconductivity is thought to emerge--a sort of traffic jam in which nothing moves.
Why even bother having a crosswalk without any sort of traffic signal?
Etymōtic claim 35 to 42 dB passive noise-reduction; whatever it is, don't wear them in any sort of traffic, because it'd be a death warrant.
It did that by developing a small program called hypervisor, a sort of electronic traffic cop that controls access to a computer's processor and memory.
The timekeeper used a sort of miniature traffic signal and a stopwatch to measure the length of each speech, and give a visual warning when time was running out.
