ัญญาณจราจร

Signals

• Light signals controlling traffic (www.highwaycode.gov.uk/signs01.htm)
• Signals to other road users (www.highwaycode.gov.uk/signs02.htm)
• Signals by authorised persons (www.highwaycode.gov.uk/signs03.htm)

Traffic signs

• Signs giving orders (www.highwaycode.gov.uk/signs04.htm)
• Warning signs (www.highwaycode.gov.uk/signs05.htm)
• Direction signs (www.highwaycode.gov.uk/signs06.htm)
• Information signs (www.highwaycode.gov.uk/signs07.htm)
• Road works signs (www.highwaycode.gov.uk/signs08.htm)
• Road markings (www.highwaycode.gov.uk/signs09.htm)
• Vehicle markings (www.highwaycode.gov.uk/signs10.htm)

Special warning signals:

Special warning signals are used on motorways to warn drivers of danger ahead. The panels are located either on the central reserve or above each lane. On urban motorways, the signals are overhead, one for each lane, and at least every mile.