Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
B61L5/12—Visible signals
B61L5/18—Light signals; Mechanisms associated therewith, e.g. blinders
B61L5/1809—Daylight signals
B61L5/1836—Daylight signals using light sources of different colours and separate optical systems