Portable Toilets at Highway Exits
Portable toilets at highway exits are facilities set up in highway service areas, parking areas, and other locations to provide convenient toilet access for passing travelers.

Location Selection Characteristics
There are clear requirements for the location selection of portable toilets at highway exits. They are chosen for sections with heavy traffic flow and areas with long distances between two service areas, which can better meet the needs of more people. At the same time, they avoid major road entrances/exits and curves, as the traffic conditions in these places are complex, and setting up portable toilets may affect traffic order. Additionally, flat and easily accessible parking areas are selected to facilitate vehicle parking and ensure harmony with the surrounding environment without affecting the overall landscape.
Facility Equipment
They generally consist of several independent toilet stalls, each equipped with basic facilities. The toilet is the core equipment, and the flushing device comes in two types: foot-operated or sensor-operated, facilitating use by different groups of people. There are also waste paper collection containers to keep the stalls clean. The partitions between stalls have strength and privacy protection functions to safeguard users' privacy. In addition, a public hand-washing area is set up, equipped with sinks, mirrors, soap dispensers, etc. Some places also provide barrier-free toilet stalls and mother-and-child toilet stalls, reflecting humanized design.
Cleaning and Maintenance
Cleaning and maintenance work is carried out regularly and cleaned up at any time. The inspection frequency is determined according to the traffic volume, with an increase in frequency during peak periods. Cleaning includes sweeping the floor, wiping the countertops, and replenishing consumables such as toilet paper and hand soap. The toilets and sinks are also disinfected and descaled, and waste paper and garbage are promptly removed. In winter, some areas need to pay attention to pipeline anti-freeze protection to prevent pipeline freezing and cracking from affecting use.
Waste Disposal
There are mainly two methods. One is to connect to the municipal sewage pipe network and directly discharge the sewage into the sewage treatment system. This method has high treatment efficiency but requires certain pipe network conditions. The other is to use septic tanks or storage tanks for temporary collection, and then have professional cleaning vehicles regularly transport the waste to treatment sites. During the transportation process, attention should be paid to sealing to prevent leakage, and the collected waste ultimately enters the sewage treatment plant for treatment to meet discharge standards.
Market Situation
There are various brands of highway portable toilets on the market, such as Xinzhuyuan, Wanli Traffic, and Jinlianyun. The types include portable toilets and outdoor toilets, with materials such as metal and color-coated steel. The sewage discharge methods include vacuum self-priming and mechanical packaging. Prices vary depending on factors such as brand and specifications, ranging from 1000 yuan per unit to 5800 yuan per set.




