Here you are a vocabulary wordlist for your FCE on transport. Remember that this list is not closed, you can add other words you consider relevant to this topic, but you can start working with it. You'll also find the phonetic alphabetic transcription to learn the spelling and the pronunciation at the same time.
Nouns
boarding pass /ˈbɔːdɪŋ pɑːs/
cabin crew /ˈkæbɪn kruː/
camper van /ˈkæmpə væn/
carriage /ˈkærɪdʒ/
escalator /ˈeskəleɪtə/
fare /feə/
headset /ˈhedset/
landing /ˈlændɪŋ/
(taxi) meter /miːtə/
passport control /ˈpɑːspɔːt kənˈtrəʊl/
rush hour /rʌʃ ˈaʊə/
seat belt /siːt belt/
season ticket /ˈsiːzn ˈtɪkɪt/
security check /sɪˈkjʊərɪti tʃek/
sliding doors /ˈslaɪdɪŋ dɔːz/
taxi rank /ˈtæksi ræŋk/
terminal /ˈtɜːmɪnl/
trolley /ˈtrɒli/
underground /ˈʌndəɡraʊnd/
Verb phrases
board (a plane) /bɔːd/
commute /kəˈmjuːt/
get away from /ˈɡet əˈweɪ frəm/
get to know /ˈɡet tə nəʊ/
Hope you like it !