Advantages and Disadvantages of Water Bound Macadam(W.B.M.) Road

Following are the advantages and disadvantages of Water Bound Macadam(W.B.M) road(Low-cost road):

Advantages of W.B.M road(low-cost road)

1. The initial cost of construction is less as compared to bituminous/cement concrete roads.

2. The construction, as well as repair of W.B.M road, is easy.

3. This road can be constructed with ordinary labour.

4. Their maintenance cost is low.

1. W.B.M. provides an inferior riding surface as compared to bituminous/cement concrete roads.

2. W.B.M. road surfaces do not provide sanitary surfaces since they can not be washed and cleaned easily.

3. This road surface causes dust nuisance under pneumatic tyred traffic.

4. The traffic capacity is less.

5. Life is less.

6. This road surface often becomes unserviceable during the monsoon period.

7. This road surface gets destroyed rapidly under mixed traffic conditions.

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