From 1970-2012, a total of 92 additional drivers have unofficially joined the 100 mph Club.

If a train required more than one locomotive, an additional driver was needed, at extra expense.

There also may be limitations on additional drivers and a minimum age for any driver.

An additional 36 drivers showed up without an appointment and had their cars inspected.

No additional driver is then required for the trip in comparison to buses.

No extra charges for additional drivers will be allowed.

The study did not include optional charges like insurance, an additional driver or a child safety seat.

The rest of the extended memory can be used for additional drivers or ramdisks.

In the days following the incident, it was learned that two additional drivers had been approached to try for the $5 million challenge prize.