Basalt is made for signage. In a single font there are capitals in wide and narrow versions as well as a set of compatible arrows. Basalt was first used for signage at the

Cecil H. Green Library, Stanford University.

Links

http://www.creativepro.com/story/feature/13955.html

Bibliography

Font: Sumner Stone and Type Design in a Digital Age, edited by Ewan Clayton and Gerald Fleuss, Ditchling Museum and The Edward Johnston Foundation, Sussex, England, 2000. Available from the Edward Johnston Foundation at www.ejf.org.uk/ejfpub.php.