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14 camera control
Page 11
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EVISION CAMERAS are 3e installed above the es-bound lanes of the M4 roaching the Severn ge.
ie cameras will be fitted special lenses so that they be used by night as well as rig the daytime.
formation from the eras will be monitored and into a control computer. will be linked to a new er warning system Lilted on nine gantries re the Welsh-bound lanes ediately before the Severn ge. The cameras will mean that police" can monitor traffic flows and standards of driving, and relevant information can be fed back to drivers via the overhead gantries.
Forewarning of fog or accidents will appear on the gantries, along with temporary lane closures or speed restrictions.
The first gantry was installed last week and the system is expected to be operational on a partially automatic basis in November. It will be fully automatic and computeroperated some time next year.