Motorists need to understand what bicyclists endure on roadways

This post is really for motor vehicle operators who are not familiar with cyclists.
When a cyclist is riding on the road there are many reasons why he/she may not be hugging the curb.
There might be a lot of road debris over there, or there might be a series of drain basins or the roadway might be littered with pot holes.
Any of these scenarios could mean disaster to a cyclist if their wheel gets caught up.
Another reason might be the visibility on that particular stretch of roadway. If the street is tree lined there might be a lot of shadows and riding more in the center of the road might increase visibility.