Research Article
Impact of Guideline Markings on Saturation Flow Rate at Signalized Intersections
Table 1
Survey locations with and without guideline markings.
| | Through movement |
| | Number of lanes | Offset | | Small | Medium | Large | | Without guidelines | With guidelines | Without guidelines | With guidelines | Without guidelines | With guidelines |
| | One | Zhoujiazui Rd - Longchang Rd | Linshan Rd - Nanyangjing Rd | Guoshun Rd - Yingkou Rd | Jinke Rd - Zuchongzhi Rd | Jungong Rd - Changyang Rd | Jiangpu Rd - Kunming Rd | | Two | Songhuajiang Rd - Yingkou Rd | Henan Rd - Beijing Rd | Changyang Rd - Linqing Rd | Jungong Rd - Changyang Rd | Zhoujiazui Rd - Huangxing Rd | Zhongshandong Rd - Yanan Rd | | Three | Guoshun Rd - Huangxing Rd | Zhoujiazui Rd - Dalian Rd | Jungong Rd - Xiangying Rd | Haining Rd - Zhoujiazui Rd | Jinhai Rd - Jinke Rd | Henan Rd - Yanan Rd |
| | Left-turn |
| | Number of lanes | Turning angle | | Acute angle | Right angle | Obtuse angle | | Without guidelines | With guidelines | Without guidelines | With guidelines | Without guidelines | With guidelines |
| | One | Songhuajiang Rd - Yingkou Rd | Dongfang Rd - Lancun Rd | Jiangpu Rd - Kongjiang Rd | Huangpi Rd - Yanan Rd | Zhoujiazui Rd - Longchang Rd | Xizang Rd -Yanan Rd | | Two | Dalian Rd - Zhoujiazui Rd | Henan Rd - Fuxing Rd | Siping Rd- Zhongshanbeier Rd | Haining Rd - Wusong Rd | Wenshui Rd - Quyang Rd | Dalian Rd - Kongjiang Rd | | Three | Zhoujiazui Rd - Huangxing Rd | / | / | / | Songhu Rd - Zhayin Rd | Xujiahui Rd - Luban Rd |
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/ means that this kind of intersection is not found in Shanghai, China.
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