My words

符号

ふごう

sign (e.g. positive, negative), sign

信号

しんごう

signal, signalling, signaling, traffic light, traffic signal, signal

号車

ごうしゃ

classifier for naming train cars

快速

かいそく

high speed, celerity, mobility, express (train that bypasses many stations)

快い

こころよい

pleasant, agreeable

時速

じそく

speed (per hour)

早い

はやい

fast, quick, hasty, brisk, early (in the day, etc.), premature, (too) soon, not yet, (too) early, easy, simple, quick

早速

さっそく

at once, immediately, without delay, promptly

道路

どうろ

road, highway

通路

つうろ

passage, pathway, roadway, avenue, aisle