Illinois Department of Transportation

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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

Table
of Contents

IRIS Manual
2.7 mb

NAME OF ITEM: Q thru S

Railroad Crossing Rideability

Reference Key Route

Reference Marked Route

Reference Point

Reference Point Orientation

Reference Point Type

Reference Street Name

Representative District

Representative District Adjacent

Right-of-Way Available

Right-of-Way Existing

Route Alignment Remarks

Route Direction - Compass

Rut Depth Against

Shoulder Inside Type 1

Shoulder Inside Type 2

Shoulder Inside Width 1

Shoulder Inside Width 2

Shoulder Outside Type 1

Shoulder Outside Type 2

Shoulder Outside Width 1

Shoulder Outside Width 2

Special Systems

Speed Zone Speed Limit

Street/Road Name

Structure 10-Foot Vertical Clearance

Structure Number

Structure Vertical Clear

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