Traffic & Transportation in South Portland
South Portland's transportation picture combines direct Casco Bay Bridge access to Portland with real, distinctive airport and bus-transit assets.
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Learn moreThe Casco Bay Bridge
The Casco Bay Bridge carries 32,000+ vehicles per day between South Portland and downtown Portland.
Bus transit and airport access
METRO (Route #5 to the Maine Mall/Jetport, Route #1 to Amtrak/Concord Coach) and South Portland Bus Service provide local transit; the Portland Jetport sits within South Portland itself.
Genuinely car-dependent overall
Notwithstanding these transit and airport assets, South Portland runs genuinely car-dependent for most daily trips outside the Portland commute corridor specifically.
Key takeaways
- The Casco Bay Bridge provides real, direct, short access to downtown Portland.
- METRO and South Portland Bus Service, plus the in-city Jetport, add real transit and travel assets.
- South Portland runs genuinely car-dependent for most other daily trips.
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