a surface
The Silk Road was a route not a road and it wasn't made of Silk either. You can always call it the Silk Route.
Chickens usually cross the road to get to the other side.
No.
a chicken
it is always on a Wednesday
Not always, for a bridge may be over a road.
I use tripit for my planner on road trips. I find they a planner is always great to have when taking long road trips and knowing were to stop and at what time to stop is always a great thing.
by always being cautious
When driving, you should always keep your eyes on the road. Looking anywhere other than at the road can result in an accident.
A road closed sign.
A mountain road is a twisty, usually narrow road which is high up in the mountains. A mountain pass is a road which crosses the mountains. Often, a mountain road leads to a pass, but not always.
No, the compound noun 'Greenway Road' is a proper noun, the name of a specific road (real or fictional).A proper noun is always capitalized.