City planners often build transportation systems to accommodate geographic characteristics.

True

Explanation:

It is true that city planners often build transportation systems to accommodate geographic characteristics. City planners tend to accommodate geographic characteristics because this is a cheaper, more efficient and more aesthetically-pleasing approach. When city planners act in this way, they are responding to the demands of land, and taking into account the distribution of water, the quality of the soil, the elevation of the terrain, etc.

south, because if you took a map you would see texas is directly in the middle of east and west, but it is also downwards towards mexico, therefore it is south