This road sign indicates that there is steep ascent ahead and driver should get ready to climb and put the vehicle in relevant gear. Most of the times, these signs are found on hilly road where steep ascent and descent are normal part of travel.

This road sign indicates that there is steep descent ahead and driver should get ready to descent by putting the vehicle in relevant gear. One should not try to speed up on descent as it loosens the grip on vehicle. Most of the times, these signs are found on hilly road where steep ascent and descent are normal part of travel.

When the width of the road decreases and the road merges into a narrow road, there is a possibility that a speeding vehicle may get collide with oncoming traffic. This sign cautions the driver to be careful as the road ahead is narrow.

This sign signifies that the road ahead is wide. The width of the road widens after this sign and thus traffic should adjust accordingly.

Sometimes road converges to a bridge which is of less width than that of road. This sign is erected before such bridges which are narrower than the road. The driver should reduce the speed and watch for oncoming traffic for safe drive.

This sign indicates the slippery condition of the road ahead. This condition could be due to seepage of water or oil spill etc. The driver should invariably slow down the vehicle at sight of this sign to avoid accident.