← Back

66 · Chicago

Total headways: 34,264

Bunching rate

4.5%

Share of observed headways considered bunched

Excess wait (min)

+8.7 min

Extra wait vs. schedule (frequent service only)

Headway CV

0.94

Spacing irregularity — 0 is perfectly even

Median scheduled headway

6.09

Typical planned spacing between buses on this route

Median actual headway

12.94

Typical spacing between buses on this route

Segment ranking

Worst segments

SegmentBunching rateHeadways
From Chicago & State (Red Line)
To Chicago & Michigan
8.9%338
From Chicago & Springfield
To Chicago & Pulaski
8.0%275
From Chicago & Pulaski
To Chicago & Karlov
7.6%277
From Chicago & Laramie
To Chicago & Lockwood
7.6%277
From Chicago & Lavergne
To Chicago & Leclaire
7.6%278
From Chicago & Spaulding
To Chicago & Homan
7.6%278
From Chicago & Central Park
To Chicago & Lawndale
7.5%279
From Chicago & Karlov
To Chicago & Keeler
7.3%274

Spatial view

Route segments

AM peak
Low (<10%)
Medium (10% - 20%)
High (20%+)
No data

Trend by hour

Route 66 · bunching by hour

Peak risk: 2p (13.0%)
0%3%6%10%13%12a: 4.4%12a4.4%1a: 1.0%1a1.0%2a: 1.5%2a1.5%3a: 0.1%3a0.1%4a: 0.6%4a0.6%5a: 0.9%5a0.9%6a: 3.8%6a3.8%7a: 4.4%7a4.4%8a: 3.3%8a3.3%9a: 6.4%9a6.4%10a: 2.6%10a2.6%11a: 3.4%11a3.4%12p: 8.6%12p8.6%1p: 9.4%1p9.4%2p: 13.0%2p13.0%3p: 12.1%3p12.1%4p: 10.9%4p10.9%5p: 11.3%5p11.3%6p: 12.7%6p12.7%7p: 10.3%7p10.3%8p: 7.3%8p7.3%9p: 3.5%9p3.5%10p: 4.0%10p4.0%11p: 3.0%11p3.0%