The 9 Km BETL is touted to open during Dussehera..
It is slated to have the following tech apart from the normal stuff..:
1.Highway traffic management system (HTMS),
2.e-toll
3.Emergency call boxes
4. CCTVs,
5. Variable Message Service (VMS)
6. Reversible lanes
More information with images here
IDS suggested reversible lanes for BETL and here we have it! http://bangalore.praja.in/blog/idontspam/2009/02/26/tidal-flow-lanes
Btw what is eToll? EZPass types..flashing cards which are topped up like prepaid cards?