Illinois Department of Transportation, Erica Borggren, Acting Secretary
Patrick J. Quinn, Governor
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Illinois Highway Information System
Roadway Information & Procedure Manual
July 1, 2001
(with revisions as of November 1, 2005)

Data Item Listed Alphabetically by Item Name

Faulting Height Against

Faulting Height With

Functional Classification (Illinois 5-Year)

High Occupancy Vehicle Operations

Highway Surveillance Systems

Horizontal Curve Direction

Horizontal Curve Point of Curvature Station

Horizontal Curve Point of Tangent Station

Horizontal Curve Radius

HPMS Section

International Roughness Index Against

International Roughness Index With

Jurisdictional Effective Date

Jurisdictional Responsibility

Jurisdictional Transfer Remarks

Key Route Appurtenance Number

Key Route Appurtenance Type

Key Route Gapped Over

Key Route Identification

Key Route Number

Key Route Segment

Key Route Suffix

Key Route Type

Lanes Number

Lanes Special Number

Lanes Special Type

Lanes Special Width

Lanes Width


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