Consider the following provisions regarding safety on highways, where major improvement works may also be in progress:1. Highly visible barricades to avoid falling of vehicles in deep interspaces ahead (including drainages)2. Wire-net provisions to ward off road slippages3. Signages for wild-animals crossing (like deer, elephant, etc.)4. Signages on minor gradientsWhich of the above are relevant?

Consider the following provisions regarding safety on highways, where

1.	Consider the following provisions regarding safety on highways, where major improvement works may also be in progress:1. Highly visible barricades to avoid falling of vehicles in deep interspaces ahead (including drainages)2. Wire-net provisions to ward off road slippages3. Signages for wild-animals crossing (like deer, elephant, etc.)4. Signages on minor gradientsWhich of the above are relevant?
A.	1, 2, 3 and 4
B.	1, 2 and 4 only
C.	1, 3 and 4 only
D.	1, 2 and 3 only
Answer» E.