Observations on Hong Kong Metro Design

Not long ago, I visited Hong Kong. The moment I stepped into the MTR station, I was deeply captivated by its distinctive mosaic tile walls and signage fonts. Taking this opportunity, I’d like to share the ingenious design elements of Hong Kong’s MTR system.

1. Logo: An Abstract Expression of Urban Geography

The logo design of the Hong Kong MTR is rich in symbolism. The upper arc represents the Kowloon Peninsula, the lower arc represents Hong Kong Island, and the straight line in the middle symbolizes the underground railway connecting the two. The overall shape, set against a red oval background, evokes the artistic conception of a Chinese seal.

2. Typography: A Visual Language Blending East and West

The Chinese signage of the Hong Kong MTR (now MTR Corporation) uses Song typeface (known as "Ming typeface" in Hong Kong and Taiwan, and "Mincho" in Japan). Choosing Song typeface for public wayfinding signage was quite groundbreaking at the time.

• A Note on Nomenclature: This typeface style flourished during the Ming Dynasty and was named "Ming typeface" after being introduced to Japan. During the Ming and Qing dynasties, due to a reverence for Song Dynasty culture, it was more commonly called "Song typeface." Interestingly, the Song Dynasty’s own carved script was more slender and elongated, and later imitations of that style came to be known as "Fang Song" (imitation Song typeface).
• Design Philosophy: Song typeface features delicate strokes and carries a rich cultural charm. Early designer Freeman Lau believed: "The subway is a representation of the city's spirit, and Ming typeface, with its strong calligraphic roots, is best suited for station signs to highlight Chinese cultural character." Therefore, the MTR-specific "MTR Song" thickened the horizontal strokes of the traditional Song typeface to improve legibility from a distance.
• East Meets West: The accompanying English text uses a sans-serif typeface. Early designs used Helvetica, while designs after autumn 1996 switched to Myriad Pro Semibold. This combination of Song typeface for Chinese and sans-serif for English perfectly embodies Hong Kong's character as an international metropolis blending Chinese and Western cultures.

3. Mosaic Tiles: A Practical Art of Color Coding

One of the iconic elements of Hong Kong MTR station platforms is the colorful mosaic tile walls.

The original design intention was deeply human-centric: when the MTR first opened in 1979, considering that the literacy rate among citizens was not 100%, different colored walls were used to distinguish stations, making it easier for passengers to identify them.

The color schemes for platforms follow several principles:

• Echoing the Station Name: "Wong Tai Sin" station uses yellow, "Lam Tin" station uses sky blue.
• Creating an Ambiance: "Wu Kai Sha" station uses earthy tones, "Diamond Hill" station uses grayish-brown with scattered white dots.
• Reflecting the Environment: Stations near the sea, such as "Shau Kei Wan" and "Kennedy Town," predominantly use blue, while "Choi Hung" (Rainbow) station directly uses rainbow colors.
• Highlighting Hubs: Major interchange stations or terminals (e.g., "Tsuen Wan," "Mong Kok," "Central," "Hung Hom") use striking red.
• Ensuring Distinction: Adjacent stations have strongly contrasting wall colors to avoid confusion.

4. Auxiliary Color System: A Unified Visual Guide

Beyond the primary colors of station walls, the combination of a yellow background with black text is crucial within the MTR system's visual guidance, widely used on signage and route maps. This highly efficient color identification system also extends to the bus network, though it employs a more modern sans-serif font (presumably Source Han Sans, etc.) on electronic displays, maintaining clarity and consistency in information delivery.