2021年6月15日 · One possible solution is to cover the highway. Highway caps, also known as lids, can be a contentious topic among urbanists. Critics argue that highway caps are little more than greenwashing, literally covering over the problems …

A freeway lid (also known as a freeway cap, highway cap or highway deck) is a deck bridge built on top of a controlled-access highway or other roadway. It is commonly used to create new parkland in urban areas, but can also support buildings or other heavy structures such as convention centers .

A new highway cover over I-5 that will reconnect local streets and create new community spaces on top for future development and economic opportunities. Learn More

What are lids (also called caps, covers, and decks)? A lid is a bridge-type structure that spans over the gap of a sunken freeway or other transportation corridor. They are structurally similar to overpasses and are built with concrete or steel.

The current Project design features a single and more substantial highway cover capable of supporting development (with up to 3-story buildings on top), reconnects and improves local streets, and implements critical mobility and safety improvements to the I-5 mainline highway.

It included two highway covers to create new community spaces and enhance pedestrian connections in the Historic Albina neighborhood. It became apparent to the community, through concepts developed by the Albina Vision Trust, that the project could be leveraged to facilitate restorative justice for the Albina community.

The 1,500-foot highway cover concept will reconnect local streets and create new community spaces for future development and economic opportunities. Depending on the final design, the cover will be able to support buildings from three to six stories tall.

A highway cover is a structure built over a highway, similar to a very wide bridge. By replacing existing bridges with one continuous highway cover, new land space will be available for community development. In addition, the new cover will include seismic upgrades, making the structure over I-5 more resilient in the event of an earthquake.

2022年7月13日 · In recent years, interest has increased across North America in using highway caps — also known as lids, decks or covers — to reconnect neighborhoods split decades earlier. The basic idea is simple, though the technical considerations are not: Cover a highway with a deck or series of decks, creating new uses and connections over the roadway.

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