There are other urban surface albedos on those files:
double ALB_IMPROAD_DIR(numrad, numurbl, lsmlat, lsmlon) ;
ALB_IMPROAD_DIR:long_name = "direct albedo of impervious road" ;
ALB_IMPROAD_DIR:units = "unitless" ;
double ALB_IMPROAD_DIF(numrad, numurbl, lsmlat, lsmlon) ;
ALB_IMPROAD_DIF:long_name = "diffuse albedo of impervious road" ;
ALB_IMPROAD_DIF:units = "unitless" ;
double ALB_PERROAD_DIR(numrad, numurbl, lsmlat, lsmlon) ;
ALB_PERROAD_DIR:long_name = "direct albedo of pervious road" ;
ALB_PERROAD_DIR:units = "unitless" ;
double ALB_PERROAD_DIF(numrad, numurbl, lsmlat, lsmlon) ;
ALB_PERROAD_DIF:long_name = "diffuse albedo of pervious road" ;
ALB_PERROAD_DIF:units = "unitless" ;
double ALB_ROOF_DIR(numrad, numurbl, lsmlat, lsmlon) ;
ALB_ROOF_DIR:long_name = "direct albedo of roof" ;
ALB_ROOF_DIR:units = "unitless" ;
double ALB_ROOF_DIF(numrad, numurbl, lsmlat, lsmlon) ;
ALB_ROOF_DIF:long_name = "diffuse albedo of roof" ;
ALB_ROOF_DIF:units = "unitless" ;
double ALB_WALL_DIR(numrad, numurbl, lsmlat, lsmlon) ;
ALB_WALL_DIR:long_name = "direct albedo of wall" ;
ALB_WALL_DIR:units = "unitless" ;
double ALB_WALL_DIF(numrad, numurbl, lsmlat, lsmlon) ;
ALB_WALL_DIF:long_name = "diffuse albedo of wall" ;
ALB_WALL_DIF:units = "unitless" ;