Motorists across the area face delays later this month when roadworks get underway.
Northern Gas Networks will start a £90,000 scheme to replace around 610m of gas mains on Monday, January 5.
Work will be carried out one street at a time starting on Ambler Street, then Pretoria Street, Smawthorne Lane and Lower Oxford Street.
Ambler Street will be closed from January 12 to 26.
Long Lane in Ackworth will be closed from January 5 until February 2 while a new drainage system is installed near the Rustic Arms pub.
Temporary traffic lights will be in place on Wheldon Road in Castleford from January 5 to 16.