TomTom System NB1 Manual page 36

Tap this button to block or unblock a street. You can block or unblock the
street in one or both directions.
For example, to correct a street near to your current location, do the following:
1. Tap (Un)block street.
(Un)block street
2. Tap Near you to select a street near your current location. You can select
3. Select the street or section of a street you want to correct by tapping it on
4. Tap Done.
5. Tap one of the direction buttons to block or unblock the flow of traffic in
6. Tap Done.
Tap this button to correct the traffic direction of a one-way street, where the
direction of traffic is different to the direction shown on your map.
Reverse traffic
direction
a street by name, a street near your Home location or a street on the map.
the map.
The street you select is highlighted and the cursor shows the name of the
street.
Your device shows the street and whether the traffic is blocked or allowed
in each direction.
Important: Not all features on this screen can be controlled using the
commander. Use the touchscreen instead.
that direction.
Note: Reverse traffic direction only works for one-way streets. If you select
a two-way street you will be given the chance to block/unblock the street
rather than changing the direction.
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