What additional capability does the 2070 controller offer compared to the 170 controller?

Answer: C — Ability to program in higher level languages

The 2070 controller offers the capability to program in higher-level languages compared to the 170 controller, which is significant because it allows for more complex and flexible programming options. Higher-level programming languages can simplify the coding process, making it easier to implement advanced traffic management algorithms and functionalities. This capability enhances the overall performance of the traffic signal system by allowing for more sophisticated traffic signal control strategies and adaptability to dynamic traffic conditions. While lower power consumption, additional hardware components, and increased physical size may have implications for controllers, they do not represent the primary distinction in programming capabilities that the 2070 controller introduces. The emphasis on programming in higher-level languages is critical for traffic management systems that require more advanced features and tailored solutions.