沿途行驶英语怎么说

"沿途行驶" 的英语表达是 "drive along the way"。
"Drive" 是 "驾驶" 的意思，"along" 是 "沿着" 的意思，"the way" 是 "路线" 的意思。
例句:
I'll drive along the coast and stop at a few scenic spots along the way. (我会沿着海岸驾车，沿途在几个风景点停留。)
We decided to drive along the scenic route instead of taking the highway. (我们决定沿着景观路线开车，而不是走高速公路。)
We're going to drive along the river and take a picnic along the way. (我们要沿着河流驾车，沿途野餐。)