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Tunnel Provisions

1. What´s it about?

Tunnel provisions are standardised regulations limiting the use of tunnels by transport units (e.g. lorries, trains) with dangerous goods.


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2. Background

The directive 2004/54/EG demands for the transport of dangerous goods:


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3. Tunnel categories / Tunnel restriction code (TRC)

3.1 Tunnel categories

Code Description
─ ("A") No restrictions for the transport of dangerous goods (for UN Nos. 2919 and 3331, see 8.6.3.1)
B Restriction for dangerous goods which may lead to
  • a very large explosion
C Restriction for dangerous goods which may lead to
  • a very large explosion ("B" goods)
  • a large explosion
  • or a large toxic release
D Restriction for dangerous goods which may lead to
  • a very large explosion ("B" goods)
  • a large explosion
  • a large toxic release
  • or a large fire
E Restriction for all dangerous goods other than UN Nos. 2919, 3291, 3331, 3359 and 3373.

3.2 Tunnel restriction code (TRC)

The restrictions for the transport of specific dangerous goods through tunnels are based on the tunnel restriction code of these goods, indicated in Column (15) of Table A of Chapter 3.2 of ADR. The tunnel restriction codes are put between brackets at the bottom of the cell.

Types and Hierarchie der TRC:

TRC of total load Restrictions
- Passage allowed through all tunnels ("A" Tunnel) (For UN Nos. 2919 and 3331, see also 8.6.3.1))
B Passage forbidden through tunnels of category B, C, D and E
B1000C Passage forbidden through tunnels of category B when the total net explosive mass per transport unit
  • is greater than 1000 kg: Passage forbidden through tunnels of category C, D and E
B/D Passage forbidden through tunnels of category B and C when carried in tanks;
other carrying: Passage forbidden through tunnels of category D and E.
B/E Passage forbidden through tunnels of category B, C, D and E when carried in tanks;
other carrying: Passage forbidden through tunnels of category E.
C Passage forbidden through tunnels of category C, D and E.
C5000D Passage forbidden through tunnels of category C when the total net explosive mass per transport unit
  • is greater than 5000 kg: Passage forbidden through tunnels of category C, D and E;
  • is smaller than 5000 kg: Passage forbidden through tunnels of category D and E
C/D Passage forbidden through tunnels of category C; D and E when carried in tanks;
other carrying: Passage forbidden through tunnels of category D and E.
C/E Passage forbidden through tunnels of category C, D and E when carried in tanks;
other carrying: Passage forbidden through tunnels of category E.
D Passage forbidden through tunnels of category D and E.
D/E Passage forbidden through tunnels of category D when carried in bulk or in tanks: Passage forbidden through tunnels of category D and E
other carrying: Passage forbidden through tunnels of category E.
E Passage forbidden through tunnels of category E.

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4. Tunnel regulations of countries (national regulations)

Special national features/limitations are publicised on the websites of the UN-ECE:

List of Competent Authorities for the application of ADR including Chapter 1.5 and notifications


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5. Road Signs

5.1 Declaration of tunnel restrictions ( C, 3h + additional panel B, C, D or E) and alternative routes (D, 10 a, D, 10 b, D, 10 c)

The sign C, 3h must include an extra board for the tunnel categories (B, C, D or E).

At the same time, there must also be indications for alternative routes if available.

There might also be time limits for the tunnel categories.

Tunnel restriction sign
Additional Panel
Alternative Routes

C, h 3

No entry for verhicles carrying gangerous goods for which special sign plating is prescribed

Vehicles carrying dangerous goods not allowed in tunnels of category "B"

or

Vehicles carrying dangerous goods not allowed in tunnels of category "C"

or

Vehicles carrying dangerous goods not allowed in tunnels of category "D"

or

Vehicles carrying dangerous goods not allowed in tunnels of category "E"

Alternative Route D, 10 a Alternative Route D, 10 b Alternative Route D, 10 c
D, 10 a, D, 10 b, D, 10 c

May be in germany this (old) road sign is placed in front of tunnel entrance:
261 STVO, German sign
German sign 261 STVO
No entry for verhicles carrying gangerous goods for which special sign plating is prescribed
(Germany only)

5.2 More signs for Tunnels

Signs
Explanation

Road Tunnel: Signs E, 11a and E, 11b of "Convention on Road Signs and Signals" Road Tunnel: Signs E, 11a and E, 11b of "Convention on Road Signs and Signals"

E, 11a and E, 11b

"Road Tunnel"
Signs E, 11a and E, 11b

Sign E, 11a "TUNNEL" indicates a section of road passing through a tunnel and on which special traffic rules apply. It is placed at the point from which these rules apply.

Sign E, 11b "END OF TUNNEL" may be placed at the point from which the special rules no longer apply.

The tunnel length is to be shown whether on the bottom part of the sign or on an additional sign H2.
For tunnels with more than 3000m length the rest length is to be shown every 1000m.
The tunnel name can also be shown.

Sign 328 STVO ("Emergency stopping place") "Emergency stopping placet" E, 17b of "Convention on Road Signs and Signals"

E, 17a and E, 17b

"Emergency stopping place"
Sign 328 STVO respectively E, 11a and E, 11b

If this stopping place is equipped with an emergency telephone and/or an extinguisher, the sign shall bear the symbols.

"Emergency telephone" F, 14

right: F, 14

"Emergency telephone"
Sign F, 14

In emergency stations that are spereated from the tunnel by a door, a clearly readable text in adequate languages according to the following example has to indicate that the emergency station is no protection against fire:

"NO FIRE PROTECTION IN THIS ROOM
Follow the signs to the emergency exits"

"Extinguisher" "Feuerlöscher"

F, 15

"Extinguisher"
Sign F, 15

Emregency exits I Emregency exits I

G, 23a and G, 23b

Emregency exits I
Signs G, 23a and G, 23b der "Convention on Road Signs and Signals"

The sign "G" indicate the location of emergency exits. For example:

Emergency exits II Emergency exits II Emergency exits II

G, 24a and G, 24b and G, 24c

Emergency exits II
Signs G, 24a und G, 24b und G, 24c

The signs G, 24a, G, 24b and G, 24c are examples of signs to indicate the direction and distance of the nearest emergency exits. In tunnels, they shall be placed at a maximum distance of 50 m apart and at a height of 1 to 1.5 m on the sidewalls.

Lane signals
Lane signals

Lane signals

These signs can be cirular or rectangular:

Radio Information

In tunnels in which radio information are recievable the tunnel users are to be indicated to these by adequate signs before the tunnel.

Variable message signing

All variable message signs have to indicate unambiguously to the tunnel user on status, break downs, accidents, fires or any other risks.

Lane indication

For limitation of lanes against the roadside an adequate lane indication should be fitted.
In two-way traffic tunnels the two direction lanes should be separated clearly visible along the middle line (single or double line).


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6. See also TES internal links


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7. Weblinks (external links)


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2011-07-15
Signature TES (Start)
Technical Safety -
Dangerous Goods Containments