Trucks are not allowed on SR-91 Express lanes

https://www.91expresslanes.com/faq/

Can large trucks use the 91 Express Lanes?
Unfortunately, no. The only oversized vehicles that are allowed on the 91 Express Lanes are motor homes and buses. Large trucks may not use the 91 Express Lanes for several reasons: (1) Caltrans has approved a maximum vehicle weight of 10,000 pounds for the 91 Express Lanes; (2) under California law, a variety of vehicles, including vehicles towing a trailer, and trucks with more than two axles, may only use the right two lanes of a four-lane limited-access highway such as the 91 freeway. Therefore, these vehicles may not use the 91 Express Lanes, and; (3) most larger trucks using the SR-91 freeway must stop at one of the weigh stations located near Weir Canyon Road, which is not accessible from the 91 Express Lanes. Therefore, trucks required to stop may not use the 91 Express Lanes.

I marked part of the route to exclude trucks but I was not allowed to mark the whole route. Save buttons got greyed out