“养路费”常见的英文表达是 "road maintenance fee" 或 "road user charge"(后者更侧重于使用者缴纳用于道路维护的费用概念 )。
例如:
The road maintenance fee is an important source of funding for road repairs. (养路费是道路维修资金的重要来源。)
Drivers are required to pay the road user charge. (司机需要缴纳养路费 。)