on the road; on the way; en route
路 (Lù) · 13 strokes
Phonosemantic compound. 足 represents the meaning and 各 represents the sound.
上 (shǎng) · 3 strokes
Originally a small line or dot above a longer line, indicating "up". The vertical line was added to distinguish the character from 二 (two). Opposite of 下.