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.
it is always on a Wednesday
a chicken
No.
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.