Police are appealing for information after three sets of temporary traffic light units valued at around £24,000 were stolen in West Craven last month.
One set was taken from Salterforth Road, Earby, between Friday, January 11th and Sunday, January 13th.
A second pair was stolen from Colne Road, Earby, during the morning of the same Sunday.
On Tuesday, January 15th, a further set was stolen from Rainhall Road, Barnoldswick, which had been left at the roadside for collection.
Anybody with any information should contact police immediately by ringing 101.