Generally speaking, the conclusions drawn from these studies indicate that road markings can help drivers feel more comfortable and help drivers look at their lanes when passing through areas with low visibility (night or rain). Signs – Traffic signs are part of street equipment in the form of...
Fixed, vertical road traffic signs - Part 1: Fixed signsdoi:UNE-EN 12899-1:2009国外-国外国家-西班牙标准化学会 ES-AENOR
However, they both require collection of evidence for progress towards international adoption. 3.1. Evidence base needs on moving away from mortality as an endpoint The most efficient way of linking clinical signs to mortality in a test where mortality is the endpoint, is to perform the test and...