Just purchased a VIA 620 and on road tets gives many incorrect speed limits,whick could lead to speed fines.I did connect to the computer onto Tomtom startup.
Sounds like your area has either undergone some speed changes, or they didn't do a very good job when mapping it. You can change speeds yourself on your unit by selecting Settings / Map corrections / Correct a map error / Change road speed. If you choose to do so, you can also share those changes with TomTom.
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