The UBD Gregory's Adelaide Street Directory offers clear, comprehensive and up-to-date mapping at the best scale, as well as easy to read street, facility and suburbs indexes. You will find all of the detail you've come to expect from a UBD Gregory's product.with the latest updates on the streets you need to navigate. Also included are main road maps and state mapping with an index of towns. Now more than ever you can trust your UBD Gregory's street directory to get you to your destination safely and on time. Also included in the Adelaide 2018 edition are: Over 130 new streets. New Suburb of Lightsview. Updated subdivisions at Blakeview, McLaren Vale, Mount Barker & Northgate. Bald Hills road & South Eastern freeway interchange.