This work investigates the opinion of operators of taxicabs in Nigeria on some ergonomic factors influencing their safety, comfort and performance while driving. Participatory ergonomic intervention approach(PEIA) and work area analysis were used in the evaluation of ergonomicsuitability of driver-vehicle system. 1,406 drivers were sampled randomly in the study area and a minimum responds rate of 92% was achieved. Significant among the WRMD observed at the three body segments are discomforts at the right and left wrists, upper, middle and lower back, buttock and neck 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 necessary in the development of user friendly vehicle for taxicab operator in Nigeria
