12. The partner may determine a peak period between 4:30 a.m. and 10:30 a.m. and another peak period between 2:30 p.m. and 8:30 p.m. for class B and C road vehicles. Those periods must have a duration of 3 consecutive hours.
The toll rate per axle for those periods must at all times be equal to or higher than the toll rate per axle established for off-peak periods.
Despite the first paragraph, the partner may not determine peak periods on Saturdays and legal holidays.