autocorrelationautomatic counterautomatic spillwayautomatic tide gaugeautomatic traffic controlautomatic unloaderautomobile inspectionautomobile insuranceautomobile occupancyautomobile usageautorotationauxiliary beamauxiliary laneauxiliary reinforcementauxiliary roadauxiliary sectionauxiliary spillwayavailable moistureavailable pressureavailable storage capacityavailable water supplyavalancheavenueaverageaverage annual floodaverage available dischargeaverage bond stressaverage daily consumptionaverage daily trafficaverage dischargeaverage distance headwayaverage flowaverage flow rateaverage highway speedaverage load criterion methodaverage overall travel speedsaverage queue lengthaverage shearing stressaverage space headwayaverage speedaverage spot speedaverage stream flowaverage stressaverage time headwayaverage triangular misclosureaverage trip lengthaverage velocityaverage velocity of groundwateraverage void ratioaviation