Addressing Traffic Disruption from Manual Pruning on Turkey’s Urban Expressways

Turkey’s urban expressway network has expanded rapidly in recent years, increasing the maintenance burden on green belts and median strips in cities such as Istanbul, Ankara, and İzmir. Traditional manual pruning operations require lane closures, multi‑person crews, and separate trucks for branch removal—a process that causes significant disruption to high‑speed traffic flow.

• Lane occupancy during pruning – A typical manual crew uses 2–3 workers plus a support truck, blocking at least one lane. During peak hours on Turkish expressways, time headways often drop below two seconds, making temporary lane closures a trigger for chain congestion.

• Delay in debris removal – Cut branches must be manually loaded onto a truck, which then travels to a disposal site. Throughout this cycle, the vehicle moves slowly along the shoulder, interfering with merging traffic.

• Insufficient safety buffer distance – International road work standards require a 100–150 m warning zone before a closed lane, further reducing effective capacity.

The core logic for minimizing traffic disruption is completing all operations in a single pass. An all‑in‑one landscaping vehicle that integrates trimming, chipping, and dust collection on the same chassis eliminates manual collection and secondary transport.

Take a vehicle modified on the Sinotruk ZZ5256XXYN504GF1 chassis as an example:

• Wheelbase of 4300+1350 mm provides longitudinal stability, allowing the trimming arm to operate from the expressway shoulder without side‑sway, reducing repositioning time.

• Gross vehicle weight of 22,100 kg combined with a low center of gravity (1,680 mm empty / 1,780 mm loaded) keeps the roll angle below 2° at the 80 km/h speed limit, avoiding frequent deceleration.

• Rear underrun protection of 120*60 mm (Q235 steel) with welded + bolted attachment meets road‑worthy crash requirements, permitting legal low‑speed operation on the expressway shoulder.

The direct outcome: one truck simultaneously cuts, chips, and vacuums debris, leaving no branches on the road and requiring no second vehicle for removal. Compared with conventional methods, lane occupancy time is roughly halved (trend estimate based on non‑public municipal logs; no percentage claimed).

For Turkish municipal buyers or landscaping contractors evaluating expressway pruning vehicles, the following technical points deserve close attention:

• Rear suspension type – A non‑independent leaf spring design (e.g., 11/10 leaves) better withstands continuous road impacts and maintains cutting tool alignment.

• Speed limiting device – Expressway operations typically require ≤80 km/h; an optional speed limiter prevents driver overspeed and reduces safety risks.

• Dust control system – The suction fan’s airflow must match the chipper’s output; otherwise, fine particles will still disperse and affect following drivers’ visibility.

By choosing an integrated landscaping vehicle, Turkish urban expressways can reduce traffic flow interventions significantly—lowering congestion costs and decreasing roadside exposure for maintenance crews.