In one of the better stories on truck art, NPR’s coverage focuses on a workshop near Islamabad, off the GT Road, which could be many different locations. The article captures the conditions of the workshops very well:
The conditions are almost medieval. The air is thick with diesel smoke; boys, men and sometimes whole families maneuver among smoking engines up on blocks, the sparks of welders and the hammering of metalworkers.
There’s also the pungent smell of hashish and battery fluids. All of this in stark contrast to the vibrant color of the art itself. The author does not mention decoration pieces, but these are found less frequently in workshops on the GT Road.