Any tips or movies that can help me create the Double Yellow road lines that are used in USA to mark areas that you cannot cross (goes down the middle). I can easily to single yellow lines, which can be duplicated for straight sections, but for curved sections, by drawing skill is not good enough to keep the distance between the lines uniform. So they look real bad. So I am looking for a custom brush with a double yellow paint.

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I also am looking for something that can help me make pedestrian crossing that look like this (right now I duplicate the white line):

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