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