FLY OVERS AND GRADE SEPARATORS
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Flyovers and Grade Separators
  1. GRADE SEPARATORS IN BANGALORE CITY

    Bangalore City is one of the fastest growing metropolitan cities in India. Its population has grown from 26.60 lakhs in 1991 to 42.90 lakhs in 2001, the annual rate of growth in the last decade being 4.90 percent. The number of registered motor vehicles in the city has been growing at a very high rate in the last decade. It has grown from 9,93,250 motor vehicles in 1996 to 14,38,057 motor vehicles in 2000. Currently over a lakh new vehicles are being added every year. But the improvement and development of road infrastructure have not kept pace with the increased traffic. Hence, the urban road network is getting saturated by the increase in the volume of traffic. To add to this, the road intersections are getting choked due to conflicting traffic movements. Traffic management has come under tremendous pressure, resulting in holdups, delays, reduced speeds etc. In turn, this has led to higher air and noise pollution and to overall degradation of the city environment. Road safety is also an increasing concern.
    Realizing the urgent need to improve the road infrastructure in Bangalore city, the Government of Karnataka, vide Government Order No. UDD 88 MNU 2001 dated 10th May 2001 entrusted the task of implementation of traffic Infrastructure schemes in Bangalore city to the Karnataka Road Development Corporation Limited (KRDCL).
  2. PLANNING OF GRADE SEPARATORS

    As a part of the programme of upgrading congested intersections in Bangalore, 19 intersections have been identified for providing grade separators. Peak hour traffic volumes and congestion index of these intersections are given in Table 1, and it shows that all these junctions have reached saturation level and are handling traffic beyond their capacity. For ease of planning and implementation, these 19 grade separators have been divided into three packages viz., Packages A, B

    TABLE 1
    Traffic volumes and congestion indices of the nineteen intersections chosen for the study
Sl. No.
Name of intersection
Traffic volume in pcu/hr
Congestion index
Morning Peak Evening Peak Morning Peak Evening Peak
1. Trinity Circle 12,566 12,521 1.68 1.62
2. Vellara Circle 11,827 10,982 1.52 1.41
3. Ananda Rao Circle 15,125 12,480 1.58 1.30
4. Maharani's College Intersection 11,142 8,535 1.52 1.16
5. Balekundri intersection 10,516 11,653 1.00 1.11
6. G.P.O.Intersection 11,662 11,132 1.77 1.69
7. Basaveshwara Circle 12,868 11,604 1.28 1.15
8. Chord Road - Mysore Road intersection 9,800 8,508 2.04 1.78
9. Chord Road - Magadi Road intersection 11,234 11,076 1.39 1.37
10. Modi Hospital intersection 9,081 9,634 1.38 1.46
11. Yeshwanthpur intersection 7,553 8,028 0.95 1.01
12. Airport Road - IRR intersection 11.162 10,821 1.38 1.34
13. Airport Road - Victoria Road 8,147 8,435 1.60 1.65
14. Hosur Road - IRR intersection 6,311 4,947 1.01 0.79
15. Dairy Circle 11,010 9,581 1.57 1.37
16. MICO Layout intersection 10,820 10,690 1.34 1.33
17. South End Circle 12,011 13,037 1.11 1.20
18. National College intersection 8,855 7,347 0.99 0.82
19. Lalbagh Main Gate Intersection 8,330 13,389 1.80 2.89


and C. A key map showing the location of all the nineteen junctions is presented in Figure 1.

Detailed feasibility study reports and summary technical reports have been prepared for these intersections. Models and perspective views have also been prepared.
MODELS OF PROPOSED GRADE SEPARATORS TRINITY CIRCLE
 
ANAND RAO CIRCLE

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