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=== Dividing roads ===
=== Dividing roads ===


In Thailand, many roads have an uncrossable median, requiring drivers trying to get to a location on the other side of the road to drive past their location and make a U-turn at an intersection or designated [[Thailand#U-Turns|U-Turn connector]].  In order to assure proper routing in Waze, these roads must be divided. 
When it is illegal to cross a road, indicated by a ''widened'' yellow section or an uncrossable barrier in the middle, and has roads connecting to it, it must be divided.
This prevents a lot of red/green arrow twiddling.
[[File:Split road.png|thumbnail|center]]


These uncrossable medians are indicated by a ''widened'' yellow section or an uncrossable barrier in the middle.
... the KISS principles do not apply until there is a good base map with enough capable editors.


Divide:
Divide:


[[File:yesdivide1.png|200px]]   
[[File:THSmallMedian.jpg|300px]]  [[File:THLargeMedian.jpg|300px]]
[[File:yesdivide3.png|200px|physical barrier]]  




Do not divide:
Do not divide:


[[File:Nodivide2.png|200px]] [[File:Nodivide.png|200px]]
[[File:Nodivide2.png|300px]]
 
If the road has already been drawn in as a single two way segment, care should be taken when dividing to preserve any existing traffic history assigned to those segments.  Here is a tutorial on how to divide a road and preserve existing traffic history and street numbers.  (Tutorial link to be added soon)

Revision as of 06:28, 23 October 2015

Dividing roads

When it is illegal to cross a road, indicated by a widened yellow section or an uncrossable barrier in the middle, and has roads connecting to it, it must be divided. This prevents a lot of red/green arrow twiddling.

... the KISS principles do not apply until there is a good base map with enough capable editors.

Divide:


Do not divide:

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