• Two wheelers are allowed on NH 13 and are commonly used by locals for daily travel between villages and nearby towns. They are especially useful on narrow and winding mountain roads. However, riders must be cautious due to sharp curves, landslide-prone zones, and sudden weather changes.
• Private Cars and Hatchbacks: Private cars are permitted and widely used on the Tawang-Wakro route for personal and family travel. Small cars can navigate most sections, though higher ground clearance is recommended. During monsoon and winter seasons, careful driving is essential due to slippery road conditions.
• Sedans Sedans are allowed on National Highway 13 but may face limitations on rough and uneven stretches. They are suitable for experienced drivers familiar with mountain driving. Slow speeds and careful navigation are necessary to avoid damage on broken road patches.
• SUVs and MUVs: SUVs and multi-utility vehicles are among the most preferred vehicles on NH 13. Their higher ground clearance and stronger suspension make them ideal for hilly terrain. These vehicles are commonly used by tourists, officials, and local transport operators.
• Buses: State-run and private buses are allowed and play a key role in public transportation along NH 13. They connect major towns and remote settlements, supporting daily commuters. Bus services may be limited during landslides or extreme weather conditions.
• Mini Buses and Tempo Travellers: Mini buses and tempo travellers are permitted and often used for group travel and tourism. They are suitable for carrying passengers across long distances on this highway. These vehicles must follow speed and safety regulations due to narrow mountain roads.
• Light Commercial Vehicles:  Light commercial vehicles such as pickup trucks and small goods carriers are allowed on NH 13. They are essential for transporting agricultural produce, supplies, and essential goods. Their movement supports local trade and small-scale businesses.
• Medium and Heavy Goods Vehicles: Medium and heavy trucks are permitted, mainly for construction materials and bulk goods transport. Their movement is often regulated to avoid traffic congestion and road damage. Drivers must be skilled in handling heavy vehicles on steep gradients.
• Defence and Paramilitary Vehicles: Defence and paramilitary vehicles are regularly allowed on National Highway 13. The highway is strategically important for troop movement and logistics near border areas. These vehicles often receive priority access during emergencies.
• Emergency Vehicles: Ambulances, fire engines, and disaster response vehicles are fully allowed on NH 13. They ensure quick medical and emergency services in remote regions. Other vehicles are required to give them priority passage.
• Tourist Coaches are permitted on selected stretches of the highway. They are mainly used during peak tourist seasons for sightseeing tours. Movement may be restricted on narrow or unstable road sections for safety reasons.
• Agricultural and Utility Vehicles: Agricultural vehicles such as tractors and small utility carriers are allowed on NH 13. They help farmers transport produce, equipment, and supplies. Their presence highlights the highway's role in rural livelihoods.
• Construction and Maintenance Vehicles: Construction machinery and maintenance vehicles are allowed for infrastructure development and road repairs. These vehicles operate under government supervision to improve road safety and durability. Temporary traffic slowdowns may occur when such vehicles are in use.

National Highway 13 from Tawang to Wakro in Arunachal Pradesh is a lifeline connecting remote Himalayan regions, enhancing connectivity, economic growth, and strategic defence preparedness. The highway passes through scenic valleys, dense forests, and culturally rich tribal areas, supporting tourism, trade, and local livelihoods. Improved infrastructure has reduced travel time, increased safety, and facilitated the transport of goods and essential services. By linking western and eastern districts, NH 13 strengthens social integration while enabling sustainable development. With ongoing upgrades, it continues to be a vital corridor for regional prosperity, strategic security, and seamless travel across Arunachal Pradesh's challenging terrain.