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SCCA Solo Classing

SCCA Solo Rules


CART Autocross Classing

C.A.R.T. maintains a good neighbor policy:

  • Any competitor or crew found driving in the pits or on the street in an unsafe manner will be ejected, and forfeit any fees paid.

  • Vehicles that are judged to be too loud will receive one warning to correct the problem before they will not be allowed to run.  CART has a 90db Limit at 75 Feet for all Vehicles, CART Reserves the right to delay a vehicles runs due to noise until the issue is corrected

Registration closes promptly at 9:30 a.m. Any entry after that time cannot be accepted.

Any car (street legal or race) may compete. No Trucks, SUV’s or Motorcycles. For safety concerns CART reserves the right to decide a vehicles eligibility during the course of an event.

In order to promote more competition between drivers and prevent single car classes at each event, we have decided to combine the SCCA classes into groups based on their PAX times. This will essentially group classes that run very similar times together and hopefully promote more competition at our events. The ten classes will be grouped as shown in the link below.

2024 CART Autocross Class's

In addition C.A.R.T. features their own classes:


Pro S (Pro Street Car) - Essentially an "open class" limited to 200tw+ tires, with some exceptions.

Pro S ­ – All vehicles entered into CART “Pro Street Car” class must be four-wheeled vehicles appropriate for street use. All vehicles must use hood, fenders and body panels as produced from the factory. Scoops, flares and other modifications are acceptable. All cars must run “Street Tires” as defined by the SCCA at the time of competition. CART “Pro Street Car” class is designed specifically for Drivers of performance street cars.

Pro R (Pro Race) - A completely 100% open, unrestricted class

Pro R – this class is essentially an open class. R Comp tires are legal in this class, as well as any modification. This class is meant to be an unrestricted class with no prohibition of modification.  Custom built NOC vehicles are subject to a stricter safety inspection.

Pro G (Pro Geezer)

Pro G- This class is designed to promote competition among all our participants who are 65 years of age or older. Any vehicle qualifies as long as the driver meets the legal age requirement.

The marking for these classifications on cars should be Pro R and Pro S and Pro G.


Car and Driver Requirements 

Car number  must be clearly marked on the car. Car numbers should be 8 inches high.  It is recommended but not required to also mark class on the car in 4″ letters to the right of car number.

Minimum age to compete is 18 years old for non club members. 16 years old for club members (any club members 16 and 17 years old must be accompanied by an active member parent or legal guardian and have a waiver signed by said parent prior to competing). All drivers must have a valid driver’s license. (We do check!)

Helmets are required and we do have loaners. You must purchase a headsock to use a loaner helmet $5.00.

Every helmet must have Snell M or SA or DOT rating and proof of being manufactured within the last 15 years. We accept the current and two previous Snell rating periods for autocross helmets for 2024.  In 2025, DOT helmets will not be allowed and we will accept only Snell 2015 and newer helmets.

Apparel – Closed toed shoes are required for all participants (Sneakers boots etc), no sandals, please.

All cars must be in good mechanical condition. This includes brakes and mechanically secured battery (no elastic cord). All cars must be muffled to a level determined by the Event Chair or any Officer.

All attendees will be required to work at least one work shift per event. Failure to work your assigned shift will result in loss of ALL recorded times.

This is a non-spectator event. Only drivers and “crew” allowed.  Pets must be on a leash at all times

CART is a guest at all facilities used.  All trash needs to be picked up and taken with you as you leave. 

We broadcast event times on FM radio if able. Bring a portable radio and stay in touch with the event. You can also access you times via a smartphone. Go to .


We welcome novices and other first time participants. A walk through with instruction and tips is held before the drivers meeting for novices by a CART instructor and an instructor will ride with you on your first run.


New to Autocross? Never run with CART before? Haven’t run with us this year?

Registration is easy. 

1) Get a car number and car classification at the trailer.  (Once you have a number, this will be your number for this year unless you become a member and pick a different one)

2) Have your car number and information entered into the timing computer. You must do this at each event.

3) Go to the other side of the trailer to pay your entry fee, get your wristband, and your work assignment. You will not be allowed to run without a work assignment wristband. The wristband you received at the gate allows you to be on the premises, you need a different wristband to compete.


Event Agenda (timing subject to change event day)

•8:00 AM – 9:00 AM Registration – CART MEMBERS receive a discount on the entry fee. CART also is pleased to offer our active duty military members, member pricing on events. You must have a current year CART issued car number to register. Car numbers are issued at the registration trailer. Your vehicle will be classed at that time, please be prepared to inform us of modifications or changes to your car. If you already know your car’s class, it will speed up the process.

•8:30AM – 9:30 AM Registration and Vehicle Safety Inspection (Tech)

•9:30AM – Novice Walk

•9:50AM – Mandatory Driver & Crew Meeting EVERYONE PRESENT ON THE LOT MUST ATTEND

•10:00 AM – First car off. CART does not run in heats, we use a flagger to to determine cars moving to the line as well as a cold tire lap followed by a hot tire lap.

•Trophy presentation on site after the event

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