Do secondary roads need to wait for the main road's red light?

[StDominic]

Secondary roads need to wait for the main road's red light. Entering the main road from a secondary road: If there is no traffic signal in front of the secondary road, you can turn on the left turn signal, slow down, and merge into the main road. If there is a traffic signal in front of the secondary road, you must follow the instructions of the traffic signal. When the traffic signal for the secondary road is red, you need to stop in front of the stop line. When it is green, you can proceed directly to the left. Merging from the main road into a secondary road: When driving on a secondary road, pay attention to the road signs. There is usually a yield sign (an inverted triangle with the word "yield"). When vehicles from the main road are merging, you must yield to the main road traffic first.

[Beau]

I've been driving a taxi for almost twenty years and often encounter the issue of waiting at auxiliary road traffic lights. Actually, it depends on which type of auxiliary road you're on. The auxiliary lanes at intersections must wait for red lights because they have independent traffic signals. I've seen many novice drivers rush forward when the main road turns red, only to get caught by cameras and fined. For auxiliary roads like highway ramps without traffic signals, you don't need to follow the main road's red light, but you must yield to main road traffic. Additionally, during peak hours in the morning and evening, some auxiliary roads may have temporary mobile traffic lights installed, which must also be obeyed. The safest approach is to check if your lane has traffic light signals rather than just observing the main road situation.

[VivienneLee]

Yesterday, my daughter came back from her driving test and asked about this, so it was a good opportunity to explain it clearly. Whether the auxiliary road needs to wait for the main road's red light depends on the specific location. For example, at urban intersections, auxiliary roads usually have their own traffic lights, and you must wait for your direction to turn green before proceeding. However, in places like expressway exits, auxiliary roads generally don't have traffic signals, and you mainly need to look for yield signs. The key point to remember is: as long as the auxiliary road has traffic signals or stop lines, you must stop at a red light. A special reminder for auxiliary roads near schools: even if the main road has a red light, you must not rush through, as students crossing the road are particularly vulnerable to danger.

[SanMargaret]

During the weekend driving lesson, the instructor explained: Whether to stop at a red light on the auxiliary road depends entirely on whether there is a dedicated signal. At urban road intersections, if the auxiliary road has its own traffic light, you must obediently wait. At highway junctions where the auxiliary road lacks signals, look for the inverted triangle yield sign. The instructor particularly emphasized that you must stop when you see the white stop line, regardless of the situation on the main road. This rule is mainly to prevent conflicts between the traffic flows of the main and auxiliary roads, ensuring safety by keeping each flow separate. Finally, he added a reminder to slow down early in rainy or foggy conditions to prevent rear-end collisions.

[BennettAnn]

Last time I drove into the city center, I encountered this situation. The main road had a red light, and the auxiliary road also had its own traffic light, so I could only wait patiently. I remember my driving instructor said that both the main road and the auxiliary road have their own signals at intersections, each managing its own traffic. If there is no signal device on the auxiliary road, you can actually go when the main road has a red light, because the main road traffic has stopped. However, you need to pay attention to the guide lines at the merging point, as crossing them might get you caught by cameras. Nowadays, navigation apps are very smart and will notify you whether there's a red light ahead as you approach the intersection. Paying attention to these navigation reminders while driving is very helpful.

[Steph]

Understanding the principles is key to solving such traffic issues. During road design, auxiliary roads and main roads each have their own signal systems, much like stage lights illuminating their respective areas. We only need to pay attention to the traffic lights corresponding to our lane. Focus on three key points: the overhead traffic lights at intersections, the stop lines on the ground, and the roadside signage. In narrow streets of older urban areas where signals are unclear, watch for traffic police hand signals. Many cities now have smart traffic lights that adjust timing based on traffic flow, which might mean longer waits during peak hours. The most crucial point is to maintain a safe following distance, especially when the vehicle behind is too close—better to wait for another light cycle than risk rushing through.