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Time-lapse of M9 construction work

1 February 2013 Last updated at 12:56 GMT

Work on upgrading a motorway junction on the M9, on the approach to the Forth Bridge, has been completed ahead of schedule.

This time-lapse footage from 2012 shows drainage work to divert Swire Burn and the construction of a new overbridge and slip road from the M9.

Work to replace bridge supports at junction 1A on the M9 is also shown.

Footage: Transport Scotland