CTA performance

Bus Bunching Tracker

← Back

147 · Outer DuSable Lake Shore Express

Total headways: 10,415

Bunching rate

0.5%

Share of observed headways considered bunched

Excess wait (min)

+14.3 min

Extra wait vs. schedule (frequent service only)

Headway CV

0.66

Spacing irregularity — 0 is perfectly even

Median scheduled headway

8.98

Typical planned spacing between buses on this route

Median actual headway

26.34

Typical spacing between buses on this route

Segment ranking

Worst segments

SegmentBunching rateHeadways
From Michigan & Hubbard (Wrigley Bldg.)
To Michigan & South Water
2.8%142
From Michigan & Lake/Randolph
To Michigan & Washington
2.1%142
From Michigan & Washington
To Michigan & Monroe
1.5%132
From Sheridan & Winthrop
To Sheridan & Kenmore
1.5%133
From Sheridan & North Shore
To Sheridan & Loyola (Red Line)
1.5%135
From Sheridan & Rosemont
To Sheridan & Granville
1.4%138
From Sheridan & Thorndale
To Sheridan & Ardmore
1.4%139
From Sheridan & Granville
To Sheridan & Glenlake
1.4%140

Spatial view

Route segments

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

Trend by hour

Route 147 · bunching by hour

Peak risk: 4p (8.1%)
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: 0.0%4a0.0%5a: 3.1%5a3.1%6a: 2.2%6a2.2%7a: 0.3%7a0.3%8a: 0.2%8a0.2%9a: 0.9%9a0.9%10a: 0.7%10a0.7%11a: 0.5%11a0.5%12p: 0.3%12p0.3%1p: 0.4%1p0.4%2p: 1.5%2p1.5%3p: 5.4%3p5.4%4p: 8.1%4p8.1%5p: 4.7%5p4.7%6p: 6.5%6p6.5%7p: 2.8%7p2.8%8p: 1.2%8p1.2%9p: 0.1%9p0.1%10p: 0.0%10p0.0%11p: 0.0%11p0.0%