Final answer:
One way to reduce single passenger vehicles traveling to a project site is by improving transportation systems and reducing the need for travel through urban planning initiatives.
Step-by-step explanation:
One way to reduce single passenger vehicles traveling to a project site is by improving transportation systems and reducing the need for travel through urban planning initiatives. This can include promoting the use of alternative modes of transportation such as biking and walking, as well as encouraging telecommuting and videoconferencing for activities that do not require physical presence at the project site.