Open main menu
Home
Random
Recent changes
Special pages
Community portal
Preferences
About Wikipedia
Disclaimers
Incubator escapee wiki
Search
User menu
Talk
Dark mode
Contributions
Create account
Log in
Editing
Cloverleaf interchange
(section)
Warning:
You are not logged in. Your IP address will be publicly visible if you make any edits. If you
log in
or
create an account
, your edits will be attributed to your username, along with other benefits.
Anti-spam check. Do
not
fill this in!
=== Background === The first cloverleaf interchange [[patented]] in the US was by [[Arthur Hale]], a [[civil engineer]] in [[Maryland]], on February 29, 1916.<ref>[http://members.a1.net/wabweb/frames/kreuzf.htm Wie man Autobahnen kreuzungsfrei kreuzt] (German) {{webarchive |url=https://web.archive.org/web/20050305150510/http://members.a1.net/wabweb/frames/kreuzf.htm |date=March 5, 2005 }}</ref><ref>[https://patents.google.com/patent/US1173505 Patent no. 1173505] at Google Patent Search</ref> A modified cloverleaf, with the adjacent ramps joined into a single two-way road, was planned in 1927 for the interchange between [[Lake Shore Drive]] ([[US 41 (IL)|US 41]]) and Irving Park Road ([[Illinois Route 19|ILL 19]]) in [[Chicago, Illinois]], but a [[diamond interchange]] was built instead.
Edit summary
(Briefly describe your changes)
By publishing changes, you agree to the
Terms of Use
, and you irrevocably agree to release your contribution under the
CC BY-SA 4.0 License
and the
GFDL
. You agree that a hyperlink or URL is sufficient attribution under the Creative Commons license.
Cancel
Editing help
(opens in new window)