Solo Rules & Classes
Texas Region Supplementary Rules
SCCA® National Solo® Rules
The SCCA® National Solo® Rules are a member-generated ruleset built and refined throughout the past 45 years. This
Building and maintaining the SCCA® Solo® Rules involves member requests and input, review by the Solo® Events Board (SEB) and advisory committees before they are either declined or the SCCA® Board of Directors votes them approved.
Keep reading below for rules, how you can be involved in rule
NOTE: Technical Bulletins are periodically issued in Fastrack® News that
The Rules are available
We have chosen to serve this document in its original format using Adobe®'s Portable Document Format (PDF). This allows important documents and forms to be just a mouse click away. With the free Adobe Reader software, users on any computing platform can navigate, scale, zoom-in, and print PDF files directly within their web browsers.
2019 SCCA® National Solo® Rules draft - 2019-02-15 (3.8MB)
It's a draft because it's not ready for print. The new rule changes are there.
***Street Category Proposal #22772 #20102 Replacing Electronic Shocks is approved for 2019.***
To order a printed copy of the 2018 Solo® Rules from Amazon click here.
Solo Rule Changes, Member Feedback, and Clarifications
Want to make a rules change proposal, comment on an open proposal, or ask for a rule clarification? Write to the Solo® Events Board (SEB).
To write in a request, to give input on a potential rule change, or get a clarification on a rule, click the link above to take you to the submission form. Once on the page - Select Solo Events Board from the, "choose program board" field, then select your category and class to make sure your letter makes its way to the right place.
***Rule Change Proposals - currently open***
Process Flowchart for Rule Changes
Rule proposals, member advisories, tech bulletins, etc. are found in:
- 2018 Solo® Fastrack® News - 2018-12-07 all through December 2018 Fastrack® News
- 2017 Solo® Fastrack® News - 2017-12-07 all through December 2017 Fastrack® News
2018 Preliminary Kart Rules:
Supplemental Classes
Supplemental Classes are offered at National Solo®
- 2019 Classic American Muscle (CAM) Category Rules handout - 2018-12-03
CAM classes are for "muscle" cars (performance sedans and sports cars).
(If printing this handout, set print properties to "Binding Location: Short Edge 'Top,'" "Flip on Short Edge," or similar.)
***2019 Supplementary CAM Rules and CAM Challenge Series*** - 2019-02-08
- Heritage Classic Rules
These classes are for 1974 and older import cars in Street class (HCS) and Race class (HCR).
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2019 SCCA® ProSolo® classes and ProSolo® Index (PSI)
2019-01-03
The complete 2019 SCCA® ProSolo® Rules will be available early February 2019.
2018 SCCA® ProSolo® Rules - 2018-07-09
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Quick Reference Sheets
- 2019 Helmet Certification Label Chart for SCCA® Solo® events - 2018-12-07
Your helmet must have one of these labels visible. The DOT standard (FMVSS 218) alone is not sufficient! - 2018 Street Category by Manufacturer - 2018-03-14 (Print and take to event registration.) Includes Fastrack News additions.
- 2018 Category Allowances "Cheat Sheet" (2-sided print) - 2018-10-01 corrected version
Solo® Event Waiver Procedures (pre-event) and Checklist (during
- Waiver Procedures (3-page) -- 2017-04-07
- Waiver Checklist (47-state excluding California, Florida, and New York) -- 2017-04-07
- Waiver Checklist for California -- 2017-04-07
- Waiver Checklist for Florida (corrected) -- 2017-04-20
- Waiver Checklist for New York -- 2017-04-07
- Affidavit of Sole Custody -- 2017-04-07
2018 Training Webinars Schedules with Registration Links - Junior Driver Program (JDP) and Solo Safety Steward (SSS)
- Formula Junior Overview PowerPoint for Junior Driver Program (JDP) Training
- Solo Youth Steward PowerPoint for Junior Driver Program (JDP) Training
- Kart Course Design PowerPoint for Junior Driver Program (JDP) Training
- Kart Safety (Tech) Inspection PowerPoint for Junior Driver Program (JDP) Training