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Table 3 Synthetic results for the cost estimation of road maintenance and agriculture land losses due to road induced erosion phenomenon considering a medium capacity machine, Daewoo Solar 130LC – V

From: Rural earthen roads impact assessment in Phewa watershed, Western region, Nepal

Scenarios Part of the watershed roads network considered Event activity
Recent (<2 years) Medium (>2 to < 5 years) Old (>5 years) Total (USD)
Road maintenance costs (USD) LB technology 42 % 37186 21577 14520 73283
100 % 88538 51375 34571 174484
Road maintenance costs (USD) Mixed technology 42 % 29391 11506 7370 48267
100 % 69978 27395 17548 114921
Road maintenance costs (USD) EB technology 42 % 12615 7407 4948 24970
100 % 30035 17635 11782 59452
Agriculture land losses costs (USD) 42 % 587 405 1 994
100 % 1398 965 3 2366
TOTAL Scenario LB (USD) 42 % 37773 21983 14521 74277
100 % 89936 52340 34574 176850
Total Scenario Mixed (USD) 42 % 29978 11911 7371 49260
100 % 71376 28360 17551 117287
TOTAL Scenario EB (USD) 42 % 13202 7812 4950 25963
100 % 31433 18599 11785 61818
  1. Results are based on the measurements undertaken along 42 % of the watershed roads network. They are also estimated for 100 % of the network assuming homogenous roadside erosional conditions