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Model Inventory of Roadway Elements – MIRE, Version 1.0

169. Circular Intersection — Number of Entry Lanes

Definition: Number of entry lanes into circular intersection on this approach, not including right turn only or auxiliary lanes.

Attributes: Numeric

See Figure 15 for additional detail.

Priority: Critical

HPMS/Tool Requirements: None

Illustration shows approaches of two roundabouts: one with one entry and exit lane, and one with two entry and exit lanes.

Figure 15. Illustration of Circular Intersection Exit and Entry Lanes.

Page last modified on October 15, 2014.
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