Which group from the Philippine National Police assists the LTO in the implementation of R.A. 4136?

The correct choice is the PNP-Highway Patrol Group, which plays a vital role in assisting the Land Transportation Office (LTO) in the implementation of Republic Act No. 4136, also known as the Land Transportation and Traffic Code. This law outlines regulations regarding land transportation, including vehicle registration, driver licensing, and traffic management.

The PNP-Highway Patrol Group is specifically tasked with enforcing traffic laws, ensuring road safety, and managing vehicular regulations. Their expertise in traffic enforcement directly aligns with the objectives of R.A. 4136, making them essential in promoting compliance with the law and addressing issues related to road safety and transportation regulation within the country.

The other groups mentioned, such as the PNP-Crime Lab Division and the PNP-Security Group, have roles focused on crime investigation and security, respectively, which do not directly involve the implementation of traffic laws and regulations. The PNP-Traffic and Safety Group also deals with traffic-related issues, but the specific function of assisting the LTO in enforcing the provisions of R.A. 4136 is more directly related to the responsibilities of the PNP-Highway Patrol Group. Thus, their involvement is crucial in ensuring the effective application of