CTA performance

Bus Bunching Tracker

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J14 · Jeffery Jump

Total headways: 11,021

Bunching rate

4.0%

Share of observed headways considered bunched

Excess wait (min)

+10.9 min

Extra wait vs. schedule (frequent service only)

Headway CV

0.80

Spacing irregularity — 0 is perfectly even

Median scheduled headway

8.22

Typical planned spacing between buses on this route

Median actual headway

18.48

Typical spacing between buses on this route

Segment ranking

Worst segments

SegmentBunching rateHeadways
From Balbo & Columbus
To Balbo & Michigan
12.0%251
From Madison & Wabash
To Madison & Dearborn/State
9.8%245
From Michigan & Jackson
To Michigan & Monroe
8.6%244
From Madison & Dearborn/State
To Madison & LaSalle
7.8%244
From Jeffery & 75th Street
To Jeffery & 71st Street
7.6%224
From Michigan & Ida B Wells Drive
To Michigan & Jackson
6.8%236
From Jeffery & 67th Street
To 1100 S Columbus (Pedestrian Underpass)
6.6%242
From Jeffery & 71st Street
To Jeffery & 67th Street
6.6%228

Spatial view

Route segments

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

Trend by hour

Route J14 · bunching by hour

Peak risk: 2p (7.8%)
0%3%5%8%10%12a: 0.0%12a0.0%1a: 0.0%1a0.0%2a: 0.0%2a0.0%3a: 0.0%3a0.0%4a: 1.4%4a1.4%5a: 1.8%5a1.8%6a: 3.9%6a3.9%7a: 4.1%7a4.1%8a: 3.7%8a3.7%9a: 4.4%9a4.4%10a: 4.5%10a4.5%11a: 3.6%11a3.6%12p: 3.0%12p3.0%1p: 6.1%1p6.1%2p: 7.8%2p7.8%3p: 4.0%3p4.0%4p: 3.4%4p3.4%5p: 4.9%5p4.9%6p: 6.3%6p6.3%7p: 5.8%7p5.8%8p: 1.7%8p1.7%9p: 0.5%9p0.5%10p: 0.0%10p0.0%11p: 0.0%11p0.0%