TABLE OF CONTENTS ABSTRACT INTRODUCTION EVOLUTION OF TRANSPORTATION HISTORY OF MOTORCYCLE (OKADA) IN NIGERIA BEFORE THE COMING OF THE OPERATION OF MOTORCYCLE EMERGENCE OF COMMERCIAL MOTOCYCLE OPERATION SOCIO–ECONOMIC CHARACTERISTICS OF THE DRIVERS AND PASSENGERS THE NATURE OF COMMERCIAL MOTORCYCLE TRANSPORT PROBLEMS OF COMMERCIAL MOTORCYCLE OPERATIONS SOLUTIONS TO DANGER CAUSED BY MOTORCYCLE(OKADA) RIDERS THE IMPACT (ECONMIC AND ENVIRONMENTAL) OF MOTORCYCLE (O...