Pakistan, Nov. 5 -- Karachi's traffic cameras appear to have developed a sharp eye for bare-headed motorcyclists and motorists without seat belts, but have recorded remarkably few violations involving some of the city's most dangerous driving practices. While an e-challan was generated every 16 seconds on average during the year, the cameras issued just one ticket for one-wheeling - a dangerous stunt that puts both riders and other road users at risk.

More than 1.94 million e-challans were issued in Karachi during the first year of the city's camera-based, faceless traffic enforcement system. Of these, over 800,000 were issued for riding motorcycles without helmets. This means that, on average, a motorcyclist received a helmet-related e-...