Revenue in our Eastern segment increased $158.4 million, or 20.1%, to $947.3 million for the nine months ended September 30, 2019, from $788.9 million for the nine months ended September 30, 2018. The components of the increase consisted of net revenue growth from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, of $124.6 million and net price increases of $44.0 million, partially offset by solid waste volume decreases of $1.6 million primarily due to declines in residential collection and transfer station volumes in our New York City market exceeding higher landfill municipal solid waste and special waste volumes, decreased recyclable commodity sales of $8.2 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and other revenue decreases of $0.4 million.
Revenue in our Southern segment increased $22.2 million, or 7.8%, to $305.2 million for the three months ended September 30, 2019, from $283.0 million for the three months ended September 30, 2018. The components of the increase consisted of net revenue growth from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, of $16.8 million and net price increases of $14.3 million, partially offset by net revenue reductions from divestitures closed subsequent to September 30, 2018 of $5.8 million, solid waste volume decreases of $1.1 million primarily from declines in landfill municipal solid waste, decreased recyclable commodity sales of $1.1 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and $0.9 million of other revenue decreases.
Revenue in our Southern segment increased $51.0 million, or 6.1%, to $890.5 million for the nine months ended September 30, 2019, from $839.5 million for the nine months ended September 30, 2018. The components of the increase consisted of net price increases of $42.3 million and net revenue growth from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, of $43.7 million, partially offset by net revenue reductions from divestitures closed subsequent to September 30, 2018 of $18.8 million, solid waste volume decreases of $12.2 million primarily from declines in residential customers at certain locations acquired in the Progressive Waste acquisition and reductions in landfill municipal solid waste volumes, decreased recyclable commodity sales of $3.3 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products and other revenue decreases of $0.7 million.
Revenue in our Western segment increased $18.2 million, or 6.7%, to $289.2 million for the three months ended September 30, 2019, from $271.0 million for the three months ended September 30, 2018. The components of the increase consisted of solid waste volume increases of $9.7 million due to the net impact of increases associated with landfill municipal solid waste, landfill special waste, residential collection and commercial collection, net price increases of $9.3 million and other revenue increases of $0.5 million, partially offset by decreased recyclable commodity sales of $1.3 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products.
Revenue in our Western segment increased $41.3 million, or 5.3%, to $821.2 million for the nine months ended September 30, 2019, from $779.9 million for the nine months ended September 30, 2018. The components of the increase consisted of net price increases of $26.0 million and solid waste volume increases of $21.9 million due to the net impact of increases associated with landfill municipal solid waste, landfill special waste, residential collection and commercial collection and other revenue increases of $1.1 million, partially offset by decreased intermodal revenue of $3.6 million resulting from customer losses causing a reduction in cargo volume and decreased recyclable commodity sales of $4.1 million resulting from the impact of declines in prices for old corrugated cardboard and other fiber products.
Revenue in our Central segment increased $40.2 million, or 21.2%, to $230.1 million for the three months ended September 30, 2019, from $189.9 million for the three months ended September 30, 2018. The components of the increase consisted of revenue growth from acquisitions closed during, or subsequent to, the three months ended September 30, 2018, of $25.5 million, net price increases of $10.6 million and volume increases of $4.8 million primarily due to increased roll off collection and landfill special waste, partially offset by other revenue decreases of $0.7 million.
Revenue in our Central segment increased $98.8 million, or 18.7%, to $626.3 million for the nine months ended September 30, 2019, from $527.5 million for the nine months ended September 30, 2018. The components of the increase consisted of revenue growth from acquisitions closed during, or subsequent to, the nine months ended September 30, 2018, of $68.3 million, net price increases of $29.8 million and volume increases of $1.7 million primarily due to increased roll off collection and landfill special waste exceeding lower landfill municipal solid waste, partially offset by other revenue decreases of $1.0 million.