Opening Bridge Ahead Road Sign | Permanent UK Road Sign 

- Post Mountable with 2 fixing rails

- Class 2 R2/RA2 Reflective

- Available in 450mm, 600mm, 750mm, 900mm Tri

Hump back bridge is used when there is a severe humped bridge that could seriously effect driver control if left without warning . Diagram 529 has no variations. 

Specification: 

Material: R2/RA2 reflective overlay on aluminium composite backing

Fixing Method: 2 fixing rails for post mounting

Reflectivity: Class 2 R2/RA2

As per the UK Highways Traffic Sign Manual Chapter 4 - Warning Signs page: 36 The following advice is given:

7.1.3.  The sign to diagram 529 (S2‑2‑21, see Figure 7-3) should be used in advance of opening bridges (lifting or swing. If movement onto a bridge is controlled by wig‑wag signals to diagram 3014 (S14‑2‑5, see Chapter 6), a plate to diagram 773 (see 20.1.4) should be added.