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MOBILE CARRIAGEWAY CLOSURE TECHNIQUES
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Figure 11.3 Vehicle-mounted queue warning sign
NOTES:
- This sign requires authorisation by the Secretary of State.
- The sign shall be made from the same material as the sign to diagram 7402; see paragraph O10.7.4.
- A sign 2.5 m x 2.5 m may also be used.
VEHICLES
O11.8.1 General works vehicle issues are dealt with in Section O5. This section specifically details those vehicles used in the Mobile Carriageway Closure technique.
CLOSURE VEHICLES
O11.8.2 The vehicles used to form the closure in live traffic lanes should be as specified for an Impact Protection Vehicle in paragraph O5.5.5 except that signing shall be in accordance with the relevant parts of Section O11.7.
MONITOR VEHICLE
O11.8.3
This vehicle should have the following features:
- a conspicuous colour (yellow is recommended);
- a roof-mounted amber light bar complying with Section O5.3; and
- a sign to diagram 7404 “HIGHWAY MAINTENANCE” (x-height: 50 mm, character height: 70 mm); see also paragraph O5.2.8.
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