The routes are signposted with red signposts. However, there are several landmarks, such as a trig point, signposts, and stone cairns. Some roundabouts have cyclist lanes around them, with signposts directing the cyclist to a destination. They also allow the wearer to read road and directional signs placed on high signposts. Unfortunately, these clear signposts point in opposite directions. Signposts, waymarks and information boards direct the walker along the route. The company produced crash barriers, signposts, snow shields, and other aluminium products. Hazards such as signposts and other cars must be avoided. Eastbound cyclists leave Poplar on Naval Row, following signposts towards Canning Town and the A13. Both spellings are used on different local signposts and on different maps. It organises music workshops, performances and training, and signposts progression routes beyond B Sharp. A number of signposts near the Isles are dedicated to the rockfall. In the UK street numbering and street signposts vary across local authorities. Two much-photographed signposts indicate the traditional distance at each end. The first signposts were erected in May 1918.