Currently, the total poλβpulation of the planet has&↕$ reached 7.5 billion. According t €'™o a United Nations study, th♠<↔→e total population of the planet w₽∑€ill reach 8 billion in 20£&σ↕30 and 10 billion in 20→∏50. In addition, the number of <≥φ™people moving to cities as well   γ↕as metropolitan areas is increasing. ¥®™The city offers peop✘≈le great career prospects, & a rich and colorful cultu‌✔™ral life and a varie×∞ty of leisure activities that attract☆≠σ≠ many people to join t €∏hem. More than half of the worldδ↔β∑'s population already lβ' λives in cities, and ∞λby 2030 it will account fo' r 60% of the world's populati¥γon. Living spaces in metrop↓•olitan areas are becoming increasΩ§φ₽ingly cramped. In order to maint∏↑¶ain the smoothness and convenie₹γ÷↓nce of travel, the adopt•‍ασion of intelligent interconnec§™tion solutions and driverle&$≤ss solutions of the future public tran ♣ 'sport system is an indispensable and im↕© portant factor for urban developm≈€'≈ent.