slider 1 road side storage dry

slider 2 road side harvestingg pond
slider 3 Dust from feeder roads – kopie
slider 4 percolation pits along the road
slider 5 Ponding at culvert in road DSC08234
slider 6 road side waterlogging
Slider 7 road side water harvesting storage pond

Area studies

Under this category you can learn more about the context in which different initiatives take place. To expand the approach of roads for water it is very important to know how things work in different countries with diverse cultures and natural environment.

Making Roads Work for Water: Scoping Study for Mugu District, Nepal

This report discusses the opportunities for beneficial road water management in Nepal with
a focus on the mid-hill areas where the Rural Access Programme-3 (RAP3) program is
implemented. The assignment was undertaken for the RAP3 project. The objective was to scope the potential for road water harvesting. Read the full report here 

Evaluating the potential of road rain water harvesting in Yemen: A case study of the Maghrabah Manakah Bab Bahil Road, Sana’a Governorate

MSc Theis submitted by Mohammed A. Al–Abyadh. Read the full thesis on this link


Farmers and people living in Manakah area are suffering from water scarcity and limited
water resources. The objective of this research is to optimize the benefits of water
harvesting from roads for the local communities in socio-economic development (water
storage volume and the beneficial reuse of it). This is focusing on the road of Maghrabah
Manakah Bab Bahil Road (non-asphalt road under construction, with length of about 36
km) and the linked rural feeder road Jabal Ekbari and Jabal Awi road (rural feeder road
stone paved in critical sections with total length of around 16 km) Sana’a Governorate.
Also, it discussed the role of geometric design of the road to enhance water harvesting
from the road.

The research found out that the farmers benefits of Road Rain Water Harvesting (RRWH)
are increasing of the water availability for groundwater recharge, supplementary irrigation
and cover needs in dry season. The research come up with the fact that road construction
from farmers point of view may affect farm flooding which cause farm gullies and delivery
debris and sediments as well as change of farm level.

On the other hand, road engineers’ awareness on the concept of water harvesting and water
for irrigation from road surface and road structures was not considered by most of the road
engineers unless they were requested by farmers.

The research concluded that the main road catchment yield is affected by the natural road
catchment, the culverts catchments, and the road surface geometric properties. Moreover,
the estimated potential RRWH quantity from the whole main road through natural
catchment is (1,662,729.25 m3).

Roads, food security and land use conversion in Liberia

This note describes some examples of road water management practices in Liberia and highlights the enormous potential in the country. Access the note here

Recommended Good Practices: Road Development to Support Water Management and Flood Resilience

This document with Recommended Good Practices intends to facilitate the systematic integration of road development with internal polder water management and improved flood resilience in the coastal areas of Bangladesh. The document is the consensus result of the Steering Expert Committee.

Recommended Good Practices Document

MSc Thesis: Improving the design of road hydraulic structures for water harvesting: The case of Freweyni – Hawzien – Abraha – We – Atsbeha road, Tigray, Ethiopia

This study explores effect of design improvements of road hydraulic structures for water harvesting. The study was conducted with a case study in the Freweyni-Hawzien-Abraha-We-Atsibha road network. Road design improvement scenarios were also developed for different channel characteristics depending on the location of the road drainage structures. Culvert site with the highest water harvesting potential was culvert site 8 with 263,650.6 m3 and culvert site 4 has the smallest water harvesting potential with 13,630.46 m3 annually, showing applying new ideology like roads for water and artificial ground water recharge are nowadays food warranty to enhance sustainable development. Read the full thesis here

Guideline on Road Maintenance Groups – Nepal

This document explains the steps to establish Road Maintenance Groups along rural roads in Nepal. Prepared by DOLIDAR. DOLIDAR Road Maintenance Groups

Poster with key findings and methodology “Roads to the Rescue”

This poster presents the main findings and conclusions form the project “Roads to the Rescue” in Bangladesh. Check the poster here

Practical Note: Experiences with Road Runoff Harvesting and Agroforestry in Kitui and Machakos county, Kenya

Road runoff harvesting (RRH) is a practice of which its integration is not yet widespread, especially in Kenya. It is mostly practiced in the ASALs in Kenya. RRH is a technique that results in increased land productivity and environmental sustainability. Read more about examples on RRH in Kitui and Machakos County here

Short course road water harvesting Yemen

This short course was developed in Yemen on road water harvesting. Explaining what techniques can be of great use to facilitate beneficial water management.

In this short course training different methods of retaining and recharging water from roads, making use of on-going investment in roads development and rehabilitation to secure local water resources is explained deeply. It argues to take a multi-functional look at roads: whilst roads deliver transport and communication services, at the same time they can contribute to water security, flood control and erosion mitigation. In this way the high investment in road connectivity in Yemen can even render a much broader impact on livelihoods and economic development.

This short course training is initiated following extensive consultations with several water and agriculture sector organizations, and road authority in Yemen, as well as with international partners of WEC involved in the implementation of the Yemen Niche 027, Flood-Based Farming, Roads for Water and other projects.


Brochure: Road Development to Support Water Management and Flood Resilience

With 40,000 kilometres of embankment roads, polder roads and footpaths and a population of 30 Million in coastal polders of Bangladesh – roads provide a large opportunity to serve water management and flood resilience. “Roads to the Rescue” focuses on strengthening the practicality of using roads for water management within polders and making roads instruments for flood protection. Within the polders, rural transport structures such as roads, bridges, and culverts strongly influence water flow, distribution, and water levels. These structures can contribute to better management of flood inundation, can avoid flood drainage congestion, provide better embankments and provide flood and post flood shelters.

Read the brochure here

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