Allston toll could increase to $1.75

Tunpike Authority weighs options to stave off toll increases - The Boston Globe

Under the most expensive proposal, Allston and Weston tolls could rise to as much as $1.75 on Jan. 1, an increase of 75 cents. Tolls could double to $6 at the Ted Williams and Sumner tunnels for drivers who do not use a Fast Lane pass.