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Illinois Administrative Code (Last Updated: March 27, 2024) |
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TITLE92. TRANSPORTATION |
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PART550. POLICY ON PERMITS FOR ACCESS DRIVEWAYS TO STATE HIGHWAYS |
§550.ILLUSTRATION B. Table of Entrance Layout Requirements
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NONCOMMERCIAL RURAL
NONCOMMERCIAL URBAN
COMMERCIAL RURAL
COMMERCIAL URBAN
INDUSTRIAL-COMMERCIAL-RECREATIONAL HGH-VOLUME TRAFFIC GENERATORS
WIDTH OF DRIVE
12' Min.
24' Max.
35' Max.
(60' Max. 6' from Edge of Pavement)
35' Max.
(85' Max. at Curb)
2@24'
or 35' Max.
RADII OF FLARE
10' Min.
30' Max.
5' Min.
15' Max.
10' Min.
40' Max.
10' Min.
25' Max.
30 – 50'
or 3 C.C.
ANGLE OF DRIVE
60º - 90º
*45º - 90º
ISLAND AREA
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10' Min. at ROW
5' Min. Radius
10' Min 6' from Pavement
6' Min. at Edge of Pavement and at ROW
5' Min. Radius
4' – 18" Wide Median
DISTANCE FROM PROPERTY LINE (To any part of driveway or flare)
0' Min.
5' Min.
(6' from Edge of Pavement)
3' Min.
10' Min.
DISTANCE FROM INTERSECTING STREET
**50' Min.
***5' Min.
**50' Min.
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**100' Min.
5' Min. from beginning of flare to extension of intersecting road ROW
DISTANCE BETWEEN DRIVES
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10' Min.
(6' from Edge of Pavement and at ROW)
6' Min.
(at Edge of Pavement and at ROW)
440' Min.
660' Desirable
* 45º permitted only for one-way drives; 60º minimum for two-way drives.
** From edge of intersecting road to beginning of driveway flare.
*** Undisturbed length of curb between driveway flare and intersecting street flare.