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Transport |
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Environmental Effects of Urban Traffic - A case study of Jaipur City
Study Area
Jaipur is the second largest city in Rajasthan. It is located between 26°48’15" to 27°00’15"N latitude and 75°41’15" to 75°53’45"E longitude, covering an area of 350 km² with 70 municipal wards. The population of the city was 1,518,235 in 1991 as per census and 2,536,669 according to a study carried out by UNICEF in 1997. The city falls within semi arid climatic zone with an annual rainfall of 60 cm. The urban area and its hinterland are mainly covered with thick mantle of soil, wind blown sand and alluvium. The eastern and northen parts are formed of Aravali hill ranges.
Considering the development status, the physical development can be categorized into two parts (i) Walled city area (ii) Outside walled city area. The walled city area is conventionally developed area having densely populated residential and commercial landuses with no scope for physical expansion. This has pressurized development in the southern and western side (as physical constraints are imposed by Aravali ranges in the north and east side of city). To serve these areas the road network has been extended.
The main arterial roads considered in this study are:
- J.L.N Marg, , New Sangner Road, Tonk Road, and in the south.
- Nirman Marg, M.I Road, Hawa Sarak and Amer Road in the north.
- Ajmer Road, Khatipura Road and Jhotwara Road in the west.
- Agra road and Jhalana Dungri Road in the east.
Table 2. Example of Air pollution dataset
| Road Name | SPM* | SOX | NOX | COX | Ammonia |
| M.I.Road | 471 | 7 | 19 | 20 | 35 |
| Jhotwara Road | 296 | 11 | 12 | 17 | 26 |
| J.L.N Road | 311 | 6 | 13 | 15 | 24 |
All units are in mg/m3
- *Suspended Particulate Matter
- For SPM the frequency is 24 Hourly, 10days/month, annual mean
- For SOX , NOX , COX , Ammonia the frequency is 4 Hourly,
10 days/month, annual mean
Table 3 : Buffer Zones of Air Pollution
| BUFFER ZONE | POLLUTANTS |
| 0-425 METRE | SOX , NOX , COX , Ammonia and Suspended particulate matter |
| 425-1500 METRE | SUSPENDED PARTICULATE MATTER ONLY |
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