Map of the Blue Line toward Forest Park showing a 16 min gap between trains near Jefferson Park.
🕳️ Blue Line — to Forest Park
16 min gap near Jefferson Park — currently scheduled every 6 min
📊 2nd Blue Line gap reported today
Still bunched 10 minutes later.
🎬 0.28 mi → 0.28 mi
Map of the Brown Line near Southport showing 2 trains to Kimball within 0.28 mi of each other.
🚆 Brown Line — to Kimball
2 trains within 0.28 mi near Southport
📊 2nd Brown Line bunch reported today
Speedmap of the CTA Blue Line over a 60-minute window, rendered as two parallel ribbons (one per travel direction) colored by average train speed. Toward O'Hare average 25.8 mph; Toward Forest Park average 26.5 mph. Red indicates under 15 mph, orange 15–25, yellow 25–35, purple 35–45, green 45 and above, gray no data.
🚦 Blue Line speedmap
12:00 PM–1:00 PM CT
Toward O'Hare: 25.8 mph · Toward Forest Park: 26.5 mph
Two parallel ribbons = the two travel directions.
🟥 under 15 mph · 🟧 15–25 · 🟨 25–35 · 🟪 35–45 · 🟩 45+ · ⬜ no data
Timelapse of the above — 4 minutes of real time.
Map of the Green Line near King Drive showing 2 trains to Cottage Grove within 920 ft of each other.
🚆 Green Line — to Cottage Grove
2 trains within 920 ft near King Drive
📊 2nd Green Line bunch reported today
Map of Chicago showing live positions of 78 CTA L trains currently in service, colored by line: 18 Red, 20 Blue, 11 Brown, 14 Green, 7 Orange, 1 Purple, 7 Pink, 0 Yellow.
🚆 CTA L right now
12:00 PM CT · 78 trains system-wide
Red 18 · Blue 20 · Brown 11 · Green 14 · Orange 7 · Purple 1 · Pink 7 · Yellow 0
Timelapse of the above — 10 minutes of real time.
Speedmap of the CTA Purple Line over a 60-minute window, rendered as two parallel ribbons (one per travel direction) colored by average train speed. Toward Howard average 23.5 mph; Toward Linden average 27.3 mph. Red indicates under 15 mph, orange 15–25, yellow 25–35, purple 35–45, green 45 and above, gray no data.
🚦 Purple Line speedmap
10:00 AM–11:00 AM CT
Toward Howard: 23.5 mph · Toward Linden: 27.3 mph
📊 slowest reported in 14 days
Two parallel ribbons = the two travel directions.
🟥 under 15 mph · 🟧 15–25 · 🟨 25–35 · 🟪 35–45 · 🟩 45+ · ⬜ no data
Map of the Blue Line near O'Hare showing 2 trains to O'Hare within 760 ft of each other.
🚆 Blue Line — to O'Hare
2 trains within 760 ft near O'Hare
📊 4th Blue Line bunch reported today
10 minutes later, the trains were 1.62 mi farther apart.
🎬 909 ft → 1.80 mi
Map of the Red Line near Chicago showing 2 trains to 95th/Dan Ryan within 909 ft of each other.
🚆 Red Line — to 95th/Dan Ryan
2 trains within 909 ft near Chicago
📊 2nd Red Line bunch reported today
10 minutes later, the trains were 0.32 mi farther apart.
🎬 0.25 mi → 0.57 mi
Map of the Orange Line near Washington/Wells showing 2 trains to Midway within 0.25 mi of each other.
🚆 Orange Line — to Midway
2 trains within 0.25 mi near Washington/Wells
📊 2nd Orange Line bunch reported today
Map of the Red Line toward 95th/Dan Ryan showing a 19 min gap between trains near Garfield.
🕳️ Red Line — to 95th/Dan Ryan
19 min gap near Garfield — currently scheduled every 6 min
📊 4th Red Line gap reported today
Map of the Purple Line toward Linden showing a 29 min gap between trains near Wilson.
🕳️ Purple Line — to Linden
29 min gap near Wilson — currently scheduled every 10 min
📊 2nd Purple Line gap reported today
Still bunched 10 minutes later.
🎬 0.38 mi → 0.39 mi
Map of the Blue Line near Division showing 2 trains to UIC-Halsted within 0.38 mi of each other.
🚆 Blue Line — to UIC-Halsted
2 trains within 0.38 mi near Division
📊 3rd Blue Line bunch reported today
Still bunched 10 minutes later.
🎬 993 ft → 993 ft
Map of the Green Line near Adams/Wabash showing 2 trains to Harlem/Lake within 993 ft of each other.
🚆 Green Line — to Harlem/Lake
2 trains within 993 ft near Adams/Wabash
Map of the Brown Line near Sedgwick showing 2 trains to Kimball within 793 ft of each other.
🚆 Brown Line — to Kimball
2 trains within 793 ft near Sedgwick
10 minutes later, the trains were 2.06 mi farther apart.
🎬 253 ft → 2.10 mi
Speedmap of the CTA Green Line over a 60-minute window, rendered as two parallel ribbons (one per travel direction) colored by average train speed. Toward Harlem/Lake average 29.0 mph; Toward Ashland/63rd average 29.0 mph. Red indicates under 15 mph, orange 15–25, yellow 25–35, purple 35–45, green 45 and above, gray no data.
🚦 Green Line speedmap
8:00 AM–9:00 AM CT
Toward Harlem/Lake: 29.0 mph · Toward Ashland/63rd: 29.0 mph
Two parallel ribbons = the two travel directions.
🟥 under 15 mph · 🟧 15–25 · 🟨 25–35 · 🟪 35–45 · 🟩 45+ · ⬜ no data
Map of the Purple Line near Howard showing 2 trains to Linden within 253 ft of each other.
🚆 Purple Line — to Linden
2 trains within 253 ft near Howard
📊 3rd Purple Line bunch reported today
Map of the Red Line toward 95th/Dan Ryan showing a 18 min gap between trains near Sox-35th.
🕳️ Red Line — to 95th/Dan Ryan
18 min gap near Sox-35th — currently scheduled every 5 min
📊 3rd Red Line gap reported today
10 minutes later, the trains were 0.55 mi farther apart.
🎬 0.31 mi → 0.86 mi
Map of the Blue Line near Damen showing 2 trains to UIC-Halsted within 0.31 mi of each other.
🚆 Blue Line — to UIC-Halsted
2 trains within 0.31 mi near Damen
📊 2nd Blue Line bunch reported today
10 minutes later, the trains were 0.46 mi farther apart.
🎬 0.32 mi → 0.78 mi
10 minutes later, the trains were 0.45 mi farther apart.
🎬 0.24 mi → 0.69 mi
Map of the Red Line near North/Clybourn showing 2 trains to 95th/Dan Ryan within 0.32 mi of each other.
🚆 Red Line — to 95th/Dan Ryan
2 trains within 0.32 mi near North/Clybourn
