new snownewelnewel postnewjersey barriernewtonian fluidnibnichenickel steelnight traffic volumenight visibilitynipher shieldnipplenivationno commercial vehicle signno fine concreteno left turn signno parking areano parking zoneno passing zone signno pedestrian crossing signno right turn signno slump concreteno turn signnodal forcenodal linenodal pointnodal stiffness matrixnodenode lawnode pointnodular chalknodulenoggingnoisenoise levelnoise meternoise pollutionnoise reductionnoise reduction factornominalnominal areanominal averagenominal capacitynominal diameternominal intensitynominal maximum sizenominal maximum size of aggregatenominal mixnominal pressurenominal size