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Vehicle Speed/1-year Average DPM Emission Factor (2023) from EMFAC2021 for South Coast ABEmission FactorSpeed (mph) (g/mi)LDA 70 0.032103165LDT1 70 0.276471063LDT2 70 0.005854775MDV 60 0.007292192LHDT1 60 0.016449082LHDT2 60 0.016170405MHDT 55 0.013060HHDT 55 0.021506Vehicle EmissionsVehicle Emissions = Emission Factor (g/mi) x Mile/Trip x Trip/Day Length of Roadway Segment 592.6 meters or0.368 milesAssumption: over an annual period, traffic is assumed to be uniformly distributed during the dayDaily Emissions Hourly Emissions(g/day) (g/sec)LDA 0.0 0.00E+00LDT1 25.6 2.96E-04LDT2 0.0 0.00E+00 MDV 0.0 0.00E+00LHDT1 7.9 9.09E-05LHDT2 4.7 5.43E-05MHDT 7.9 9.19E-05HHDT 76.8 8.89E-04NB SBTotal 122.9 1.42E-037.11E-047.11E-04Apx-616/27/2022Planning Commission 2 – 221