Construction Bid Specifications

Current Specification

• Tollway Supplemental Specifications to IDOT Standard Specifications (Issued February 7, 2012) (pdf)

Previous Specification

• Estimate of Major Materials Pay Items dated 03/09/07 (for information only) (pdf)
• Tollway Supplemental Specifications to the IDOT Standard Specifications (Issued June 1, 2011) (pdf)
• Tollway Supplemental Specifications to the IDOT Standard Specifications for Road and Bridge Construction (Issued January 1, 2010)  (pdf)
• Tollway Supplemental Specifications to the IDOT Standard Specifications Adopted January 1, 2007 (Issued June 1, 2008) (pdf)
• Tollway Supplemental Specifications to the IDOT Standard Specifications for Road and Bridge Construction (Issued January 1, 2007) (pdf)
• Tollway Supplemental Specifications to the 2002 IDOT Standard Specifications (Issued October 2006) (pdf)

Price Index

Find current bituminous, fuel and steel price indices (IDOT)