Effectiveness of Climbing Lanes for Slow-Moving Vehicles When Riding Uphill: A Microsimulation Study

被引：2

作者：

Del Serrone, Giulia ^{[1
]}

Cantisani, Giuseppe ^{[1
]}

Grilli, Riccardo ^{[2
]}

Peluso, Paolo ^{[1
]}

机构：

[1] Univ Roma La Sapienza, Dept Civil Construct & Environm Engn, Via Eudossiana 18, I-00184 Rome, Italy

[2] Civil Engineer, I-00100 Rome, Italy

来源：

VEHICLES | 2023年 / 5卷 / 03期

关键词：

climbing lanes; VISSIM; microsimulation; heavy vehicles performances; platoons; travel times and delays; single-carriageway rural roads; CALIBRATION; VALIDATION; SIMULATION;

D O I：

10.3390/vehicles5030041

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Long uphill stretches of single-carriageway rural roads with one lane per travel direction may reduce the Level of Service (LoS), due to the decreased speed of heavy vehicles. In those circumstances, a slowdown of traffic, resulting in the formation of platoons, may be generated due to the difficulty of performing overtaking maneuvers safely. To solve this critical issue, an additional (climbing) lane for slow vehicles may be included in the road platform. This study aims to evaluate the effectiveness of such climbing lanes in a real case in Italy (National Road n. 4 "Via Salaria"-around 44+000 km). Using a microsimulation model implemented in VISSIM, the study analyzes speeds and travel times, delays, and queuing waiting times, comparing the Actual Scenario (AS) without climbing lanes, with two counterfactual scenarios: the first one (CS1) with three stretches of climbing lanes, and the second one (CS2), with just two stretches, in which the first two additional lanes of CS1 are merged together. The obtained results confirm the effectiveness of installing climbing lanes on road sections with the described characteristics, and the potential of microsimulation models also to carry out such kind of evaluations.

引用

页码：744 / 760

页数：17

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