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Show Road Speed Limit (Implemented)

99
Now Implemented!

Description

Show the current speed limit (when known) based on the current GPS location.

Competitive/Pricing/Notes

This is offered on many stand-alone GPS units.

Status

Available on all cars with Auto-pilot hardware (After Sept-2014)

(text by moderator)



Category: Tags: entered 3-May-2014
Gymcon
1,703

10 Comments

I heard this was awaiting implementation by Google.
Ideally, the information should not (only) come from a database but should be supplemented by a camera reading the actual road signs. That's how BMW does it and it makes a difference, e.g., in construction areas and on roads with dynamic traffic control (speed limit changes depending on traffic and other conditions). Also, databases tend to be outdated.
September, 2104 > has this.
This is implemented.

 
I wonder whether this also could sense "road narrowing", "lane ends" and other signs and alert the driver.
Hello there!

This is still very relevant (NOT IMPLEMENTED) on cars before sept. 2014!!
Implemented now, but accuracy is atrocious.
screen only take into account the speed limit signs but no longer the gps infos since version 7 !!!

 
Unfortunately, the speed limits are not working properly in the Netherlands for:

- variable speed limits (different speed between 06:00 - 19:00 and rest of the day on A2 e.g.)

- reduced speed limits near long term road works (Utrecht Central Station e.g.)

- speed limits om matrix boards over the highways during traffic jams or accidents

- temporarily adjusted speeds (in case of peak hours, some places signs get mechanically altered from 100 km/h to 80 km/h near Houten e.g.)

Speed limits available in OpenStreetMap are much more up to date and more detailed. Also, most countries offer official open APIs to query temporary changes. These could also be used.

What is a good way to pass this on to Tesla?
Indeed, I even consider this not implemented by the current quality. Valid points that user rijder makes.