An airport runway arrangement for commercial aircraft comprises a first runway section, a second runway section extending substantially in prolongation of the first runway section and an intermediate section between the first and second runway sections.

An airport runway arrangement for commercial aircraft comprises a first runway section, a second runway section extending substantially in prolongation of the first runway section and an intermediate section between the first and second runway sections.

Disclosed is a race car track for allowing non-powered driving by using gravity, the track comprising: a first lane including a first curved track; and a second lane including a second curved track located adjacently to the first curved track, wherein the first curved track has a first super elevation such that the first lane has a predetermined first difficulty level, and the second curved track has a second super elevation such that the second lane has a predetermined second difficulty level.

An intelligent roadway system of trafficable solar roadway panels for collecting solar energy, converting the solar energy into electricity, illuminating LEDs, storing and distributing the electrical energy and sensing dynamic conditions on and about the trafficable solar roadway panels and communicating the sensed dynamic conditions and precise global positioning system (GPS) location of the sensed dynamic conditions to a user for use.