Tuesday, April 07, 2026

Feedbacks on Rule of 10

Here is the summary of feedbacks that I got. I asked Gemini to compile all the comments and my responses. 

THE RULE OF 10 : 16 REALITY CHECKS FOR MALAYSIAN HIGHWAYS

​1. The Lane Hogger Myth

The Claim: Keeping a 10-car gap in the fast lane makes you a hogger.

The Reality: Speed is not the same as Gap. If you are doing 110km/h with a 45m gap, you are moving at the maximum legal flow. The gap is for survival, not for slowing down. And it is not a lane hogging if your speed is the same as car infront. Anyway, use right lane only for overtaking. 

​2. The Jam Maker Fallacy

The Claim: All that empty space causes more traffic jams.

The Reality: Gaps actually delete jams. Jams are caused by "Braking Waves." Tailgating forces instant braking that ripples back for kilometers. A 45m (for 100km/h) gap acts as a Shock Absorber, letting traffic flow constantly.

​3. The Move Left Mandate

The Claim: Safe distance is no excuse for blocking the lane.

The Reality: Agree 100%. The Rule of 10 is a safety tool, not a "Right to the Lane." If someone tailgates your gap, move left. It is safer to have a speeder in front of you than a hazard on your bumper.

4. The Sifu Scanner Defense

The Claim: I look 5 cars ahead, so I don't need a big gap.

The Reality: Information is not Space. Scanning gives you an early warning, but if the car directly in front stops instantly, only the physical buffer of the Rule of 10 will save you from a collision.

5. The Lamp Post Reliance

The Claim: I just use 1 lamp post distance (50m) as my marker.

The Reality: Static markers fail. Lamp posts aren't everywhere, especially on dark rural roads or the Karak Highway at night. Your car is a "Portable Ruler" that works in total darkness.

6. The Brembo Brakes Argument

The Claim: I have high-performance brakes; I can stop instantly.

The Reality: Brakes don't stop time. You still travel about 30m during your reaction phase before the brakes even engage. Plus, the gap protects your rear bumper from the car behind you.

7. The Kaki Potong Realist

The Claim: If I leave a gap, someone will definitely cut in!

The Reality: The 0.1s Trade-off. Letting someone merge costs you only 0.1 seconds of time. It is better to have a "hazard" in front of you than a "tailgater" behind you. Just lift your foot for 2 seconds to reset the gap.

8. The 3-Second Traditionalist

The Claim: The 3-second rule is the only way.

The Reality: 3 seconds is the gold standard (~83m), but some humans are bad at counting time while moving. The Rule of 10 is a Visual Check, which is more intuitive and faster for the brain to process. It is an alternative. As long as you have some rules to follow, it is fine.

​9. The Road Capacity Critic

The Claim: If everyone followed this, the highway would be twice as long!

The Reality: Laminar Flow Theory. Like water in a pipe, space prevents turbulence. You move more cars per hour through a point with steady gaps than with bumper-to-bumper crawling.

10. The Perfect Driver Paradox

The Claim: I'm an expert driver with perfect reflexes; I don't need a buffer.

The Reality: You can't control "System Failure." Even a pro can't react to a blown tire or a ladder falling off a lorry 5 meters away. Real pros build a buffer for the unpredictable.

11. The Biological Bottleneck

The Claim: I'm always ready to act instantly.

The Reality: Your brain has "latency." At 110km/h, you travel 30.5 meters per second. It takes about 1.25s to perceive a hazard and move your foot. You've covered 38 meters before your brakes even touch the disc

​12. The AI Slop Defense

The Claim: This is just generic AI advice.

The Reality: Data is the Antidote. This isn't a chatbot hallucination; it's GIS Engineering based on Malaysian road geometry and kinematic equations. Check the simulator at zoomyd.xyz to see the math. Anyway, you are always free to try any prompt to get AI to come up with safety follow distance rule. 

13.The Advert Accusation

The Claim: Is this a hidden ad for insurance or dashcams?

The Reality: Pure Public Service. There is no "Buy Now" button. As a dev, I build tools to solve real problems using spatial logic. The profit is a safer highway for all of us.

14. The Clickbait Cynic

The Claim: He just wants you to click his link to earn ad revenue.

The Reality: Hosting web scripts for a niche simulator and safety distance calculator actually costs me money. Anyway, the post is already self explanatory. In addition, to visit my page at zoomyd.xyz is optional

15. The Measuring Tape Sarcasm

The Claim: Do I need to get out of the car to measure the distance?

The Reality: Spatial Intelligence. You don't need a ruler to park a car or play sports. The car in front is your "Scale Bar." You are free to agak2 the distance as you do to pass a narrow road or keeping your car at the center between the left and right lane markers. 

16. The "Look Ahead" Fallacy

The Claim: If I follow the Rule of 10, I'll still brake when the 5th car in front brakes, so it still causes a jam.

The Reality: With a 10-car gap, you don't need to "slam" your brakes when you see a ripple ahead. You can simply lift your foot off the gas. The 45m gap "swallows" the speed difference so the person behind you never has to touch their brakes. The jam ends with you. 

​Drive for the flow. Drive with a gap.

Simulated and proven with some web scripts at zoomyd.xyz/cars:

- https://zoomyd.xyz/cars/withgap.html - emergency brake test simulation 

- https://zoomyd.xyz/cars/petua2.html - gap visualiser 

- https://zoomyd.xyz/cars/petua.html - gap logic

- https://zoomyd.xyz/cars/phantom.html - phantom jam simulation 



Sunday, March 29, 2026

Rule of 10 : Tips for safe following Distance

Stay Safe on The Roads – Keep a Safe Distance!

Rear-end (bumper-to-bumper) accidents especially in Malaysia are far too common—and many of them actually could be avoided.

I’d like to share a simple method or tips (in Malaysia it is called 'petua' ) I came up with to help drivers maintain a safer following distance.

Match your speed with the number of car lengths:
- 100 km/h → 10 car lengths
- 90 km/h → 9 car lengths
- 80 km/h → 8 car lengths
- 70 km/h → 7 car lengths
- 60 km/h → 6 car lengths
- 50 km/h → 5 car lengths
- 40 km/h → 4 car lengths
- 30 km/h → 3 car lengths
- 20 km/h → 2 car lengths
- 10 km/h or less → 1 car length

It’s simple, easy to remember, and practical for everyday driving.

You can also use the 3-second rule (count “1001, 1002, 1003”) if you prefer.

Some may say this is too cautious, call it lane hogging, or judge your driving. That doesn’t matter.

Your safety, your passengers, and your vehicle should always come first.

I hope this simple idea helps make our roads safer for everyone.

If you have better or additional tips, feel free to share - we can all learn from each other.

Drive safe and take care!

BTW, I also built a simple Stopping Distance Calculator if you want a better idea of how distance changes with speed - Stopping Distance Calculator

Saturday, March 21, 2026

250 uploads on YouTube

 I have reached 250 uploads on my YouTube channel.


Not that many, but OK lah ;-) 

You are always invited to visit my channel at https://youtube.com/@zoomyd?si=7b5SzBud0NxeAwi0

Or scan the QR code below. 



Thank you for your support. 

Saturday, January 24, 2026

My Google Maps 2025 Achievements

 Got this from Google Maps


I have reached Level 4! Not sure what it means though 🤭