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Portland Bureau of Transportation

We keep Portland moving

Phone: 503-823-5185

Fax: 503-823-7576

1120 SW Fifth Ave, Suite 800, Portland, OR 97204

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Part 00600 - Bases

Part 00600
Section Description Effective Date
00620 Cold Plan Pavement Removal 08-16-10
00640 Aggregate Base and Shoulders 12-28-11
00646 Recycled Concrete and Asphalt Products 08-16-10
00680 Stockpiled Aggregates 08-16-10


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Heartbleed Security Notice

A serious security vulnerability known as "Heartbleed" was recently discovered in OpenSSL, a popular software library commonly used by many websites on the internet to encrypt communication between a user's computer and a web server. is NOT affected by this vulnerability as it does not use the OpenSSL software library. Please rest assured we are dedicated to protecting your security on this website.