Within Houston, we often have the left lane (of at least 3) marked as "no trucks", but as soon as I get too far out of town, all the roads drop to 2 lanes and s

Within Houston, we often have the left lane (of at least 3) marked as "no trucks", but as soon as I get too far out of town, all the roads drop to 2 lanes and such a rule would be impossible due to the amount of truck traffic.