Answer:
I can be winding and I can be straight. I can be smooth and I can be rough. Sometimes both. I start out black but fade to brown. My favorite colors are yellow and white and I love stripes and dashed lines.
Teenage girls are pros at creating me. Learn me in classes.
I am a rock group with four members all of whom died in plane crashes. Who am I?
I am the place where yesterday is always before today. What am I?
What gets sharper the more you use it?
I am your mother's brother's only brother in law. Who am I?