DriveReady. All signs
Special regulation signsД9 (D9)Road sign Д9BULGARIAN ROAD SIGN ANNEX 5
Sign field note

Tunnel

Draft, not yet reviewed
In the moment

What to keep in mind

Switch on the required lights, keep distance and never reverse inside the tunnel.

Artwork: มองโกเลีย๔๔, CC BY-SA 4.0, via Wikimedia Commons (Bulgaria road sign Д9.svg). SVG sanitised for safe display; appearance unchanged.

Source and review trail
Source
mrrb-sign-ordinance-docx
Retrieved
2026-10-07T15:16:23.604Z
Location
Приложение № 5, table 6, row 11
SHA-256
84eaea30d96784fc7830fedcabc9ecbf752217dd127321bdc890ddecbf692baf
Image licence
CC BY-SA 4.0
Image retrieved
2026-10-07T17:52:00.235Z
Image SHA-256
c654588dc054149f83ab2db4a3ebf56312da836e2baee7112175adab39b87577