This work investigates the opinion of operators of Taxicabs in Nigerian on some ergonomic factors influencing their safety, comfort and performance while driving. Participatory ergonomic intervention approach (PEIA) and workspace analysis were used in the evaluation of ergonomic suitability of driver-vehicle system. 1406 drivers were sampled randomly in the study area and a minimum responds rate of 92% was achieved. Significant prevalence of WRMD reported among respondents on the four body segments are located at the neck(67%), right and left wrists(18%, 20%), upper, middle and lower back (29%, 29%, 30%), and buttock (19%) of the operators. The potentials of carrying out ergonomic investigation on taxicab operators through direct involvement of major stakeholders in the transportation business has been demonstrated and found very useful in the development of user friendly vehicle for Taxicab operator in Nigeria
