1.   Electronic tolls could replace fuel and vehicle taxes as the main form of highway revenue.

2.   Another issue related to the growth of electronic toll collection is safety.

3.   Another question has been how to integrate electronic toll collection with car-pool discounts and other special arrangements.

4.   At first there probably will be two or so electronic toll lanes on each bridge.

5.   Adesta, its subsidiary, had handled several big electronic toll collection projects in Virginia, Colorado and elsewhere around the country.

6.   Electronic toll collection has raised some concerns about privacy.

7.   Drivers pay higher tolls during the morning rush hours and a lower toll if they cross before that and use the E-Z Pass electronic toll system.

8.   Highway officials in Maine face the prospect of spending millions of dollars to fix an electronic toll system that opened four years ago but that has never functioned properly.

9.   Never use electronic toll booths on roads.

10.   Now road pricing become technically feasible thanks to electronic toll systems.