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71 · 71st/South Shore

Total headways: 17,779

Bunching rate

0.9%

Share of observed headways considered bunched

Excess wait (min)

+13.0 min

Extra wait vs. schedule (frequent service only)

Headway CV

0.72

Spacing irregularity — 0 is perfectly even

Median scheduled headway

10.12

Typical planned spacing between buses on this route

Median actual headway

25.06

Typical spacing between buses on this route

Segment ranking

Worst segments

SegmentBunching rateHeadways
From 71st Street & Calumet
To 71st Street & Prairie
3.5%114
From Yates & 72nd Street
To Yates & Exchange
2.8%142
From 73rd Street & Yates
To Yates & 72nd Street
2.8%143
From 73rd Street & Exchange
To 73rd Street & Yates
2.8%143
From 71st Street & King Drive
To 71st Street & Calumet
2.4%125
From 71st Street & Greenwood
To 71st Street & Ellis
2.3%129
From 71st Street & Ellis
To 71st Street & Cottage Grove/S. Chicago
2.3%129
From 71st Street & Cottage Grove/S. Chicago
To 71st Street & Langley
2.3%129

Spatial view

Route segments

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

Trend by hour

Route 71 · bunching by hour

Peak risk: 10a (7.2%)
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: 0.0%5a0.0%6a: 0.0%6a0.0%7a: 0.4%7a0.4%8a: 0.3%8a0.3%9a: 3.0%9a3.0%10a: 7.2%10a7.2%11a: 2.6%11a2.6%12p: 4.6%12p4.6%1p: 6.1%1p6.1%2p: 4.3%2p4.3%3p: 5.8%3p5.8%4p: 2.1%4p2.1%5p: 2.2%5p2.2%6p: 1.5%6p1.5%7p: 1.5%7p1.5%8p: 1.9%8p1.9%9p: 0.5%9p0.5%10p: 0.0%10p0.0%11p: 0.1%11p0.1%