D4a

Category : Mandatory signs

D4a : D4a - Mandatory direction for vehicles carrying dangerous goods, as indicated by the arrow. Other road users a…
D4a : D4a - Mandatory direction for vehicles carrying dangerous goods, as indicated by the arrow. Other road users are not affected. Used to direct ADR transport towa

D4a - Mandatory direction for vehicles carrying dangerous goods, as indicated by the arrow. Other road users are not affected. Used to direct ADR transport towards safer routes (avoiding tunnels and city centres).

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