Carraway Island Wiki
Intercounty C21
Route Information
Existed: 1971-present
Counties: Lewis County

Walsh County
Ehrmantraut County

Local Names: Colbert Freeway
Major Junctions
I-C4.png between Cranston and Quinton, Adustelan

CIR 3.png in West Piers, Adustelan
I-C821.png in Rodham Hill, Adustelan

Intercounty C21 is an Intercounty Limited Access Highway that runs from Skamplanck (in Lewis County) to Adustelan (in Ehrmantraut County), connecting both cities with West Lakes (in Walsh County).

In Adustelan, it is known as the Colbert Freeway. The route has a concurrency with Intercounty C4 (Dexonharzleman Expressway), resulting in a gap between Exit 7 eastbound in Cranston and Exit 7 westbound in Quinton.

Exit list

County Location Exit Destinations Notes
Ehrmantraut Adustelan Honeydew District 5 Bartholomew Avenue
Cranston 6 Whitegale Avenue Eastbound exit empties onto Mulaney Street
6A New Villa Avenue Westbound only, closest westbound exit to Crosscourts Arena


Two separate exits, concurrency with I-C4 from Exits 28-30
Bellamyville Crosses Jennaviva River
West Piers 8 CIR 3.png Jennaviva Boulevard Eastbound only, to Dunnage Memorial Bridge
9 Testarossa Drive
Rodham Hill 10 I-C821.png

Auxiliary Routes