Coba manual vehicle classifications

manual for counties to use when conducting individual vehicle classification counts for pavement design, and a new view of the distribution of vehicle types on the CSAH system, which has not been systematically counted for many years. October The COBA Manual 1/7 Occupancy , KEY, KEY Vehicle Mix Groups , KEY Vehicle Operating Costs Fuel Consumption Fuel Costs Fuel Tax Non-Fuel Costs VIEWER Working Time , , , KEY THE COBA USER MANUAL _____ PART 4 TRAFFIC INPUT TO COBA Contents Chapter 1. Network Description 2. Compatibility Between the Traffic Model and COBA 3. Automatic Interface Programs 4. Choice of Years for Traffic Flow Data 5. Variation in Traffic Flow 6. Network Classification and Seasonality Index 7. Flow Groups 8. Vehicle Categories 9.

COBA manual (DMRB). For new road schemes, the commercial vehicle class/category count data shall be determined from traffic studies using the principles described in the Traffic Appraisal Manual (DMRB). Commercial cv class* cv vehicle (cv) category Buses and PSV Coaches 2-axle rigid OGV1 3-axle rigid 3-axle articulated 4-axle rigid 4-axle articulated OGV2 5-axle articulated 6 (or more)-axle articulated * Classed by axles in contact with the road PSV = Public Service Vehicle OGV = Other Goods Vehicle Example Count data converted to AADF using COBA 11 classification. THE COBA USER MANUAL _____ PART 4 TRAFFIC INPUT TO COBA Contents Chapter 1. Network Description 2. Compatibility Between the Traffic Model and COBA 3. Automatic Interface Programs 4. Choice of Years for Traffic Flow Data 5. Variation in Traffic Flow 6. Network Classification and Seasonality Index 7. Flow Groups 8. Vehicle Categories 9.

In addition to the estimates of AADT, the short- period counting programs provide such important data as vehicle classification and turning movements, which are. Design' within the NRA Design Manual for Roads and Bridges, and equates to an It is considered that these three vehicle classifications are most. Collecting Short Duration Manual Vehicle Classification Counts on High Volume Urban Facilities i. BEST PRACTICES GUIDEBOOK: COLLECTING SHORT DURATION MANUAL.