Traffic Signs Manual Chapter 4 Warning Signs
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Figure 2-6 Figure 2-7 Diagram 508.1 (S2‑2‑5) Diagram 509.1 (S2‑2‑6) Traffic merges ahead from the left Traffic merges ahead onto main carriageway 2.3.2. The sign to diagram 508.1 is used to warn that there is traffic joining on the left hand side and should be sited on the left of the main carriageway. The sign to diagram 509.1 is used to warn drivers that they are about to join a main carriageway and may have to concede priority. Neither sign is reversible. 2.3.3. Traffic merge warning signs should normally be used only in the following circumstances: a) where there is no other advance signing on a main carriageway indicating a junction ahead, e.g. where there is an access slip road, but no exit slip road preceding it to alert drivers to the likelihood of joining traffic, or JUNCTIONS 18 b) where there is a series of closely‑spaced junctions which are a mixture of lane gain and lane merge (but see 2.3.4 ), or c) where it is not apparent to drivers that they are on a slip road (e.g. a former main road through a village joining a by‑pass, or the main carriageway of a motorway joining another motorway). 2.3.4. Rectangular merge signs to diagrams 873 and 874 may be more appropriate in the circumstance described in where there is a series of closely‑spaced junctions which are a mixture of lane gain and lane merge (but see Rectangular merge signs to diagrams 873 and 874 may be more appropriate in the circumstance described in where there is a series of closely‑spaced junctions which are a mixture of lane gain and lane merge (but see tải về 2.25 Mb. Chia sẻ với bạn bè của bạn:
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