Car Numbering

good example of numbers, with contrasting colors and good size

These are great numbers! The contrasting colors and the large size make them easy to read by the corse workers

  • Numbers must be a minimum of 8″ high with a 1.25″ stroke.
  • Class letters must be a minimum of 4″ high with a 0.75″ stroke.
  • In all cases, the height of the class letters must be between 25% and 75% of the height of the numbers. Stroke width must be at least 10% of the height.

Class/Number colors must be in contrast to vehicle color unless there is another contrasting background behind. In other words, no silver numbers on a gray car unless the numbers are on a black background.

Shoe polish on windows doors will not work, and neither will numbers made of masking tape. Too often, number made this way are too hard to read for the course workers! We always have extra numbers and letters at registration for people to place on their car for $2.

All two driver cars must use the number “1″ in front of the primary number to designate the second driver for the heat. T&S will only score the number on the car as it comes to the start line. If you forget to change your number, you will simply lose that run for yourself your co-driver. We can not spend 30 minutes when the event is over trying to sort out who ran when. We will try to warn you as best we can if T&S thinks you have the wrong number on to prevent it from happening again, but it is your responsibility to look after yourself.

Before you bring your car to Tech, you must have all of your class and numbers on both sides of the car. If they are hard to read, sloppy, or too small, you will not pass tech and will not be allowed to run till it is corrected.

We have found that following these rules for car numbering eliminates confusion for the spotters, workers, and timing people. It cuts down on reruns, and most importantly, make auditing the results at the end of the day much faster with far fewer mistakes.

We try to have a few extra magnetic letters for our special classes (“R” or “X”), but please try to have your own. If we run out, then it will be up to you to get the right identification.

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