Senegal - Roads

Traffic Count Survey - Survey days: 7 consecutive days encompassing all market days
Origin-Destination Survey - Sample rate of 10% of each vehicle type at each station.
Vehicle Operating Cost Survey - vehicle dealerships, garage/servicing companies, fuel price (secondary if possible), bus and road haulage operators, taxi and minibus operators
International Roughness Index (IRI) - Interval: continuous measurement over the whole length of the roads. Results will be reported at intervals of 100 meters.