- At a glance
- Group
- Additional signs before level crossings · 4 of 9
- Shape
- Rectangle or square
- Colours
- Varies by sign, including white and blue backgrounds
- Legal basis
- § 78 of the regulation on road signs and signals
- Exam questions
- None in the question catalogue
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G-1d Countdown post with three bars on the left side of the carriageway
What it means
The equivalent of post G-1a placed on the left side of the carriageway when the signs are repeated on the left, e.g. on a busy two-way road.