同意刘老师解答！

The two roads join just north of the village.

The two roads meet just north of the village.

join  

vi./vt.（道路或河流）会合，汇合，交汇(英文解释P If two roads or rivers join, they meet or come together at a particular point.)

Do you know the highway to Tulsa? The airport road joins it.  

你知道通向塔尔萨的公路吗？去机场的路和它交会。

Allahabad, where the Ganges and the Yamuna rivers join.  

安拉阿巴德，恒河和亚穆纳河的交汇之处

meet

(1)vt./vi.(两片区域,尤指两片陆地或海洋)相接，汇合,相邻（英文解释： If two areas meet, especially two areas of land or sea, they are next to one another.）

It is one of the rare places in the world where the desert meets the sea.  

世界上沙漠与大海相接的地方非常少见，这里就是一处。

the southernmost point of South America where the Pacific and Atlantic oceans meet. 

南美洲最南端、太平洋与大西洋的汇合处

(2)vt./vi.(两条线)相交，交叉 （英文解释：The place where two lines meet is the place where they join together.）

Parallel lines will never meet no matter how far extended. 

无论延伸多长，平行线永不相交。

The track widened as it met the road. 

正如刘老师指出的，join和meet用在这里都是正确的。如果一定要选出一个最佳答案，那就选join吧，因为join比meet更为常用。词典用join来解释meet表示河流或道路等的交会，可见join更普通，更常用。