(The Center Square) – The Washington State Transportation Commission is moving forward with a proposal to increase toll rates on the 520 Bridge to cover a revenue shortfall and meet bond obligations. The commission unanimously approved a scenario in which toll rates increase by an average of 10%, though that increase is tailored to certain times of the day. If enacted, the tolls would increase for drivers with Good to Go passes from $4.50 to $4.90 during the hours of 7 a.m. – 10 a.m. and 3 p.m. – 7 p.m. on weekdays. Between those hours, the toll rates would be $3.95. The other option under con…