TRAFFIC FLOW INVESTIGATIONS BY PHOTOGRAMMETRIC TECHNIQUES

摘要: A METHOD DESIGNED TO MEASURE TRAFFIC MOVEMENT IN MANNER WHICH IS APPROPRIATE FOR THE TESTING AND VALIDATION OF MOST PRESENT THEORIES FLOW HAS BEEN DEVELOPED. DETERMINATION VEHICLE SPACING SPEEDS PLATOON VEHICLES AT RELATIVELY SHORT INTERVALS TIME PRIMARY IMPORTANCE. BASIC PROCEDURE CONSISTS PLACING STREAM FOLLOWING IT BY HELICOPTER FROM PHOTOGRAPHS WERE TAKEN FIXED TIME. EQUIPMENT USED DATA REDUCTION TECHNIQUES ARE DESCRIBED SAMPLES RESULTANT SHOWN.