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101 <br /> Level of Service D Standards for Freeways * <br /> COASTAL 2 Lanes Per Direction 3 Lanes Per Direction 4 Lanes Per Direction <br /> Urban Suburban Rural Urban Suburban Rural Urban Suburban Rural <br /> 0-5% Trucks 67400 66900 67900 102000 101300 101800 137300 136200 135700 <br /> 6-10% Trucks 65700 65400 66200 99600 98900 99400 134000 133000 132500 <br /> 11-15% Trucks 64200 63800 64700 97300 96600 97100 130900 129900 129400 <br /> 16-20% Trucks 62800 62400 63200 95100 94400 94900 127900 126900 126500 <br /> 21-25% Trucks 61400 61000 61800 9300 92300 92700 125100 124100 123700 <br /> 26-30% Trucks 60000 59700 60500 90900 90300 90700 122400 121400 121000 <br /> 31-35% Trucks 58800 58400 59200 89000 88400 88800 119800 118800 118400 <br /> PIEDMONT 2 Lanes Per Direction 3 Lanes Per Direction 4 Lanes Per Direction <br /> Urban Suburban Rural Urban Suburban Rural Urban Suburban Rural <br /> 0-5% Trucks 61700 61400 62200 93500 92900 93300 125800 124900 124400 <br /> 6-10% Trucks 60300 59900 60700 91300 90700 91100 122800 121900 121500 <br /> 11-15% Trucks 58900 58500 59300 89200 88600 89000 120000 119100 118600 <br /> 16-20% Trucks 57500 57200 58000 87100 86500 87000 117300 116400 115900 <br /> 21-25% Trucks 56300 55900 56700 85200 84600 85000 114700 113800 113400 <br /> 26-30% Trucks 55000 54700 55400 83400 82800 83200 112200 111300 110900 <br /> 31-35% Trucks 53900 53500 54300 81600 81000 81400 109800 108900 108500 <br /> MOUNTAIN 2 Lanes Per Direction 3 Lanes Per Direction 4 Lanes Per Direction <br /> (Level Terrain) Urban Suburban Rural Urban Suburban Rural Urban Suburban Rural <br /> 0-5% Trucks 56100 61400 62200 85000 92900 93300 114400 124900 124400 <br /> 6-10% Trucks 54800 59900 60700 83000 90700 91100 111700 121900 121500 <br /> 11-15% Trucks 53500 58500 59300 81100 88600 89000 109100 119100 118600 <br /> 16-20% Trucks 52300 57200 58000 79200 86500 87000 106600 116400 115900 <br /> 21-25% Trucks 51100 55900 56700 77500 84600 85000 104200 113800 113400 <br /> 26-30% Trucks 50000 54700 55400 75800 82800 83200 102000 111300 110900 <br /> 31-35% Trucks 49000 53500 54300 74200 81000 81400 99800 108900 108500 <br /> MOUNTAIN 2 Lanes Per Direction 3 Lanes Per Direction 4 Lanes Per Direction <br /> (Rolling Terrian) Urban7 Suburban Rural Urban Suburban Rural Urban Suburban Rural <br /> 0-5% Trucks 53500 58500 59300 81100 88600 89000 109100 119100 118600 <br /> 6-10% Trucks 50000 54700 55400 75800 82800 83200 102000 111300 110900 <br /> 11-15% Trucks 47000 51400 52100 71100 77700 78100 95700 104500 104100 <br /> 16-20% Trucks 44300 48400 49000 67000 73200 73600 90200 98500 98100 <br /> 21-25% Trucks 41800 45700 46400 63400 69200 69600 85300 93100 92700 <br /> 26-30% Trucks 39700 43400 44000 60100 65700 66000 80900 88300 87900 <br /> 31-35% Trucks 37700 41200 41800 57100 62400 62700 76900 83900 83600 <br /> Uses "Freeways" Facility Type in NCLOS <br /> *Assumes Regional K and D Factor Averages <br /> See Appendix Al for HCM 2000 Freeway Equations <br /> Use Appendix A2: Coastal Freeway Inputs for adjustments <br /> Use Appendix A3: Piedmont Freeway Inputs for adjustments <br /> Use Appendix A4: Mountain (Level) Freeway Inputs for adjustments <br /> Use Appendix A5: Mountain (Rolling) Freeway Inputs for adjustments <br /> NOTE: Truck percentage occurs within the peak hour, not a daily truck percentage <br /> 6 Updated 10/14/2011 <br />