Manuals

Roadway Design and Traffic Safety
Airports (3/2009) (doc - 80 KB)
Design Section Engineer's Manual (3/2012) (pdf - 441 KB)
Educational Institutions (3/2009) (doc - 84 KB)
Guidelines for Roadway Illumination (3/2012) (pdf - 849 KB)
Illinois Tollway ADT Lane Closure Guide (12/2010) (pdf - 6 MB)
Illinois Tollway Lane Closure Reference Guide (4/2012) (pdf)
Law Enforcement Agencies and Courthouses (3/2009) (doc - 78 KB)
Municipal Signing (3/2009) (doc - 78 KB)
Points of Interest (3/2009) (doc - 99 KB)
Design Section Engineer's Manual for Quantity Calculations (5/2001) (pdf - 6.4 MB)
ISTHA Computer Aided Plan Preparations (ICAPP) Policies and Procedures (11/2002) (pdf - 7.1 MB)
Roadside Design Criteria (8/2002) (pdf - 5 MB)
Quality Standard for Work Zone Traffic Control Devices (3/2012) (pdf - 1.7 MB)
Recreational and Cultural Interest (3/2009) (doc - 106 KB)
Roadway Traffic Control and Communications Manual (3/2012) (pdf - 8.7 MB)
Illinois Tollway Signage Guidelines (12/2006) (pdf - 33 MB)
Traffic Generator and Info Sign Policy (2/2009) (pdf - 166 KB)
Traffic Generator Decision Tree (3/2009) (pdf - 35 KB)
Transit Facilities (3/2009) (doc - 82 KB)
Traffic Barrier Guidelines (pdf - 7 KB)

Environmental and Drainage
Drainage Design Manual (3/2012) (pdf - 5.37 MB)
Erosion and Sediment Control Landscape Manual (3/2012) (pdf - 29.4 MB)
Illinois Urban Manual (11/2002, published by IEPA) (pdf - 19 MB)
Drainage Design Criteria (4/2003) (pdf - 6.6 MB)
Environmental Studies Manual (07/2001) (pdf - 6.1 MB)

Construction and Materials
Construction Manager's Manual (3/2012) (pdf - 658 KB)
Geotechnical Engineer Manual (3/2012) (pdf - 180 KB)
Diversity Program Training for Construction Managers (7/2007) (pdf - 867 KB)
CM Manual, A-Forms and Templates (8/2011) (zip - 2.4 MB) (Native Format, use WinZip to open)

Bridges and Structures
Structure Design Manual (3/2012) (pdf - 9.4 MB)
Bridge Superstructure Rating Form (11/2010) (xls - 66 KB)

Contractor Manuals
CQP Manual Volume 1 (4/2009) (pdf - 3.78 MB)
CQP Manual Volume 2 (4/2009) (pdf - 2.38 MB)
Quality Standard for Work Zone Traffic Control Devices (3/2012) (pdf - 1.7 MB)
Roadway Traffic Control and Communications Manual (3/2012) (pdf - 8.7 MB)

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