Show uniform signs mape for highway safety i an to promote high way safety was recently recen taken tat 6 i by the united states bureau of I 1 bublic roads roada to la operation cooperation co with the high way departments in adopting uniform standards for warning signs to tote 1 used throughout f the c country 0 untra z thi the motorist will nolo no longer tiger bacon bar con fused by a multiplicity of signs fat of various designs and degrees bi of legibility hazards will be indicated by signs which will ber be uniform in ih all I 1 and which I 1 will indicate IaAl cate the kind and degree of danger the new sighs make use of a abys ays t tern em oV 0 different sli shapes apes thore byi increasing thel value at night the shape 1 indicates 1 nd lites tha degree of hazard 51 and f thy legend the shape him the degree of castion required reaul red twenty states are now no actually engaged engage din lo 10 erecting these san standard n dard and other states eky ha e their tu intention of doing th the same scientific american |