| Upper Level (Tracks 1-2)[1] | Southbound | ←  A Line (planned) toward Downtown Long Beach (Little Tokyo/Arts District)
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| Island platform, doors will open on the left | ||
| Northbound | →  L Line toward APU/Citrus College (Chinatown) →→ A Line (planned) toward APU/Citrus College (Chinatown) →
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| Upper Level (Tracks 3–14) | Eastbound | → Template:Rail color box toward South Perris (Norwalk/Santa Fe Springs) → |
| Island platform, doors will open on the left or right | ||
| Northbound | → Template:Rail color box toward Lancaster (Glendale) → | |
| Southbound | → Template:Rail color box toward Oceanside (Commerce) → | |
| Island platform, doors will open on the left or right | ||
| Eastbound | → Template:Rail color box toward Riverside (Montebello/Commerce) → | |
| Eastbound | → Template:Rail color box toward San Bernardino-Downtown (Cal State LA) → | |
| Island platform, doors will open on the left or right | ||
| Northbound | → Template:Rail color box toward East Ventura (Glendale) → | |
| Northbound | → Template:Rail color box toward Seattle (Hollywood Burbank Airport) → | |
| Island platform, doors will open on the left or right | ||
| Eastbound | → Template:Rail color box toward Chicago (Fullerton) → | |
| Eastbound | → Template:Rail color box toward New Orleans (Pomona) → | |
| Island platform, doors will open on the left or right | ||
| Eastbound | → Template:Rail color box toward Chicago via San Antonio (Pomona) → | |
| Northbound | → Template:Rail color box toward San Luis Obispo (Glendale) → | |
| Island platform, doors will open on the left or right | ||
| Southbound | → Template:Rail color box toward San Diego (Fullerton) → | |
| Upper Level (Bus Platform) | Eastbound | →  J Line toward El Monte Station (LA County+USC Medical Center) →
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| Island platform, doors will open on the right | ||
| Southbound | ← J Line toward Harbor Gateway Transit Center/San Pedro (Spring/1st)
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| Passageway | Exit/entrance, Ticket machines, Patsaouras Transit Plaza, Historic station | |
| Lower Level | Northbound/ Westbound |
←  B Line toward North Hollywood (Civic Center/Grand Park)←  D Line toward Wilshire/Western (Civic Center/Grand Park)
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| Island platform, doors will open on the left or right | ||
| Northbound/ Westbound |
← B Line toward North Hollywood (Civic Center/Grand Park) ← D Line toward Wilshire/Western (Civic Center/Grand Park)
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