TY - BOOK ID - 149835103 TI - A field guide to roadside technology PY - 2006 SN - 1613741774 PB - Chicago, Ill. : Chicago Review Press, DB - UniCat KW - Roads KW - Traffic signs and signals. KW - Electronic apparatus and appliances. KW - Accessories. UR - https://www.unicat.be/uniCat?func=search&query=sysid:149835103 AB - This fascinating handbook answers the questions of anyone who has ever wondered about the many strange devices found along the roadside, from utility poles to satellite dishes. Devices are grouped according to their habitats?along highways and roads, atop buildings, near airports, and on utility towers. More than 150 different roadside technologies are covered, and each detailed entry describes what the device does, how it works, and also includes a photograph for easy identification. With helpful sidebars describing related technical issues such as why stoplights are constructed with the ER -