Some attribute the drug's popularity to the relativespeed with which it is flushed through the body, allowing employees to pass drug tests when they return to work from leave.
The Peugeot No.9 was leading when the rain started in the 14th hour, offering an opportunity for the Audi cars to make up for their relative lack of speed in dry conditions.
Other passengers say it's a reliable and comfortable service but those with experience of European trains say the American ones are a pale reflection - in terms of frequency, speed and relative luxury.