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====LESSON 19: Road Constructor====  
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In this lesson we would like to demonstrate some details on how Dinamica EGO defines a road design using a combination of submodels.  
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<note>
Road Constructor is a submodel (more about that later) and it is stored in the Dinamica Store. To install it go to the menu Tools >> Submodel Store, search for ''Decorate'', select the Decorate Map Attribute Table submodel and click on the Install button at the bottom of the Submodel Store window.
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**Let's go!** 
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This model was used for basic road construction optimization, defining a road design using a combination of submodels.
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First, we will explain each of the sub-models that make up the main model. The road constructor is formed by a combination of **one or more** of the following submodels: 
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