The phrase "a time when urban" is correct and usable in written English.
It can be used when discussing a specific period or event related to urban settings or experiences.
Example: "There was a time when urban development was prioritized over environmental concerns."
Alternatives: "an era of urban" or "a period in urban".
Those colleagues had been Young Turks at a time when "urban renewal" was a promise, not a threat.
It's clear they are proffering guidance at a time when urban women like themselves are eager for it.
At a time when urban planners in the West frown on hulking high-rises as forbidding, Mr. Mori presents a new Asian urban sensibility, where architecture reflects soaring economic ambition, leading to mighty projects that dwarf the individual.
If Mr. McLean comes across as an oddly noble character, it is probably because he still relies on a good right hook at a time when urban violence has shifted to the less demanding and more lethal possibilities of semi-automatic weapons.
These results are highly significant at a time when urban planners are putting the city's Biodiversity Plan in place.
There was a time when "urban" was a dirty word.
He figured he would maintain the tradition and had only been open a short time when "Urban Cowboy" hit the theaters in 1980.
This is especially true at a time when more urban Vietnamese increasingly view their jobs as less secure.
At a time when the urban population is growing quickly, the number of registered voters in these areas is not keeping pace.
He made his mark in television at a time when noirish urban detective series and Henry Mancini's groundbreaking music for "Peter Gunn" opened the way for jazzy big-band scores.
Trained as a classical painter at the Pennsylvania Academy of the Fine Arts and at Yale University, Hendricks rose to prominence in the 1960s and '70s, a time when the urban cultural scene was flourishing, and Wall Street had yet to rule the world.
