i recognised it, but couldn't remember the name, other than knowing it's a stack interchange in Shanghai. so naturally i managed to find out exactly which interchange it is within 5 minutes and proceeded to just look at pictures of it for another 20 minutes.

its just so fucking beautiful. maybe one of the best looking interchanges on the planet. made even more so by including pedestrian infrastructure. disappointed it doesn't have its own wikipedia page, it deserves one for being one of 3 six-level stacks in the world.

As a first example, take traffic signs. They're simple, they're ubiquitous, while almost universally understood. But how did they achieve all of that at once? Let's break it down:

Simple shapes! The dimensions should be appropriate for each situation. The thinner, taller signs are meant for drivers who are closer to the sign, and the environment may have limited space. Avoid repetition so people could recognize a silhouette easily--a Stop sign should NOT be confused with a Speed Limit sign, which should NOT be confused with a Yield sign.

Colors! While deceptively simple, there are a ton of factors to consider. Try to limit the palette to 3 colors or less, 2 main colors are optimal. Colors should HEAVILY contrast each other: A No Right Turn is distinct from a Right Turn Only sign because of the bold red circle-slash going over the arrow. Furthermore, the colors should be easily distinct in most kinds of lighting, hence the stark white background with bright red or dark black text.

Typography!* Ain't no sign should have cursive or comic sans, it's gotta be DISTINCT and BIG--note that all text is in UPPERCASE!! The font should be standardized & recognizable from a distance: The Speed Limit sign has a giant "50" that's twice of the "speed limit" text, and is always on the bottom half. Text should come secondary to shape & color, but it's also important.

Icons! This is technically a subsection to shapes and follow most of the same rules, but they have unique challenges. A Pedestrian icon is a distinct shape of a person, it can't be confused with a Truck icon! The hard part is using icons which are universally recognized to explain complicated ideas, which is more cultural context than literal. For instance, the Cancel icon on the No Right Turn is well understood now, but its design is a bit abstract. The same goes for the Arrow icon. They don't have one-to-one real-world counterparts, so its meaning had to be proliferated culturally.

VITALY | PANVELVET ℣

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Why FWD Testing Is Essential for Pavement Maintenance Planning

Effective pavement maintenance starts with accurate structural evaluation. This article explains how FWD testing helps engineers analyze pavement performance, detect weak layers, and determine whether rehabilitation or reconstruction is required. Learn how reliable testing data reduces maintenance costs, improves project planning, and increases the service life of highways, roads, and transportation infrastructure.

Every durable road starts with quality materials, and bitumen is one of the most important. It acts as the binding agent that holds aggregates together, directly influencing the strength, flexibility, and lifespan of pavements.

Before using bitumen in construction, laboratory testing helps verify whether it meets the required quality standards for the project.

Why Is Bitumen Testing Important?

Bitumen testing helps engineers and contractors:

Verify material quality before construction

Improve pavement durability

Reduce the risk of early road failures

Ensure compliance with Indian Standards (IS)

Support safe handling during asphalt production

Common Tests Performed

A professional bitumen testing laboratory typically evaluates:

Penetration Test – Measures consistency and hardness

Softening Point Test – Assesses heat resistance

Ductility Test – Evaluates flexibility and crack resistance

Viscosity Test – Determines flow characteristics

Flash & Fire Point Test – Ensures safe heating temperatures

Specific Gravity Test – Supports accurate mix design

These tests help engineers choose the right bitumen grade for highways, city roads, airport runways, industrial pavements, and other infrastructure projects.

Want to explore the complete testing procedures and technical details?

👉 Read the full guide: https://jancylabs.com/bitumen-testing-lab/

Network Survey Vehicle (NSV) Testing for Accurate Road Condition Assessment:

Road infrastructure requires accurate and efficient pavement evaluation to ensure safety and long-term performance. Network Survey Vehicle (NSV) Testing uses advanced sensors, GPS, laser technology, and imaging systems to assess road conditions without disrupting traffic. It helps engineers identify pavement distress, measure surface roughness, evaluate road assets, and plan preventive maintenance more effectively.

Learn how NSV Testing supports better infrastructure management and safer roads by reading the complete guide on the Jancy Labs website.

🌐 Read More: https://jancylabs.com/network-survey-vehicle-testing/

KENYA NATIONAL HIGHWAYS AUTHORITY TENDER JUNE 2026 TENDER NOTICE The Kenya National Highways Authority (KeNHA) is a State Corporation established under the Kenya Roads Act, 2007 with the responsibility for Management, Development, Rehabilitation and Maintenance of National Trunk Roads. The Authority hereby invites bids from eligible contractors and suppliers for various Maintenance works and…