CTA performance

Bus Bunching Tracker

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77 · Belmont

Total headways: 42,061

Bunching rate

5.2%

Share of observed headways considered bunched

Excess wait (min)

+9.3 min

Extra wait vs. schedule (frequent service only)

Headway CV

0.98

Spacing irregularity — 0 is perfectly even

Median scheduled headway

6.90

Typical planned spacing between buses on this route

Median actual headway

13.37

Typical spacing between buses on this route

Segment ranking

Worst segments

SegmentBunching rateHeadways
From Belmont & Orchard
To Belmont & Broadway
9.4%244
From Belmont & Kostner
To Belmont & Kenosha
9.2%303
From Belmont & Campbell
To Belmont & Western/Clybourn
9.1%340
From Belmont & Kilpatrick
To Belmont & Cicero
9.1%331
From Belmont & Paulina
To Belmont & Lincoln/Ashland
8.9%338
From Belmont & Western/Clybourn
To Belmont & Oakley
8.8%341
From Belmont & Keeler
To Belmont & Kildare
8.6%337
From Belmont & Kilbourn
To Belmont & Kostner
8.6%304

Spatial view

Route segments

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

Trend by hour

Route 77 · bunching by hour

Peak risk: 6p (11.2%)
0%3%6%8%11%12a: 1.1%12a1.1%1a: 0.0%1a0.0%2a: 0.0%2a0.0%3a: 0.0%3a0.0%4a: 0.0%4a0.0%5a: 0.9%5a0.9%6a: 3.1%6a3.1%7a: 4.3%7a4.3%8a: 4.0%8a4.0%9a: 7.1%9a7.1%10a: 6.1%10a6.1%11a: 3.6%11a3.6%12p: 6.2%12p6.2%1p: 9.8%1p9.8%2p: 8.9%2p8.9%3p: 7.4%3p7.4%4p: 7.7%4p7.7%5p: 9.4%5p9.4%6p: 11.2%6p11.2%7p: 10.6%7p10.6%8p: 8.6%8p8.6%9p: 3.8%9p3.8%10p: 0.4%10p0.4%11p: 0.1%11p0.1%