data dan keputusan kajian jarak mengekor pemandu disebelah atas jalan rural urban
DESCRIPTION
data dan keputusan kajian jarak mengekor pemandu diatas bahu jalan rural urbanTRANSCRIPT
Rajah 3.1 : Peralatan Cerapan
Rajah 2 ; Plot scatter jarak kepala semua kenderaan kurang dari 5 saat
Rajah 3 : Graf scatter jarak kepala semua kenderaan di atas jalan
Rajah 4 : Graf scatter jarak kepala semua kenderaan kurang 130m
Rajah 5 : Graf Kelajuan semua kenderaan
Rajah 6 : Graf jarak kepala semua kenderaan kelajuan kelas 50 - 60 km/h
Rajah 7 : Graf purata jarak kepala semua kenderaan dengan kelas kelajuan
Rajah 8 : Graf jarak kepala dan kelas kelajuan kereta mengikut kereta
Rajah 9 : Perbandingan jarak kepala semua kenderaan berturutan
Rajah 10 : Perbandingan jarak kepala semua kenderaan
Rajah 3.3 : Kedudukan kamera cerapan
KameraKamera
Sudut cerapan Sudut cerapan
Jarak melebihi 100m
Garisan rujukan no.1Garisan rujukan no.2
kenderaankenderaan
KenderaanKenderaan
mengekormendahului
Jarak kepala
Rajah 2.1 : Jarak kepala antara kenderaan
3.8 Kaedah Cerapan Data.
Rajah 3.1 : Carta Methodologi Kajian
Jadual 1 : Lokasi Site Survey
SiteLokasiPurata LebarPanjangKeadaanCiri-ciri JalanCiri-ciri Jalan
No.Jalan ( m )Seksyen ( m )Jalan( Kaw.tandaan )( Kaw.tandaan )
( no.kaw. )
1Kuantan7.0500BothRata,LurusRata,Lurus
Ports.2( DC )( SS )
2Kangkar7.0300BothRata,LurusSelekoh,
Pontian2( SS )rata ( DC )
Island
Johor
3Kangkar7.0250BothRata,LurusBerbukit,
Pontian2( SS )rata ( DC )
Island
Johor
4Yong Peng7.0500BothRata,LurusRata,Lurus
Segamat2( SS )( SS )
Johor
* Note : SS - Short single broken line . DC - Double continious line
Tarikh Cerapan : Weekly Days
Bilangan kenderaan 8511
Purata jarak kepala masa 5.00 saat
Kadar alir Q = Bil.Kend. / 60 minit x 90 km/h
Purata laju 90 Km/h
Bilangan lorong 1
Jadual 2:
Keputusan Jarak Mengekor Kenderaan
Headway , H = Ao + A1V
Following typeSample saizAo ( )A1R
All Vehicle38792.98 ( 3.95 )1.16 ( 0.19 )0.98
Car - Car22591.26 ( 5.66 )1.19 ( 0.18 )0.96
Car - HGV8664.04 ( 1.96 )1.12 ( 0.11 )0.99
HGV - HGV2789.33 ( 11.19 )1.21 ( 0.61 )0.85
HGV - Car4305.17 ( 12.96 )1.19 ( 0.69 )0.81
Note : Figure in ( ) the standard deaviation of the corrsesponding coefficients.
Mathematically the results of the regression analysis ( Jadual 2 ) may be written as
H ( All Vehicle ) = 2.96 + 1.16V( 2a )
H ( Car - Car ) = 1.26 + 1.19V( 2b )
H ( Car - HGV ) =4.04 + 1.12V( 2c )
H ( HGV - HGV ) ) = 9.33 + 1.21V( 2d )
H ( HGV - Car ) = 5.17 + 1.19V( 2e )
Jadual 2 : Keputusan Jenis Jarak Mengekor Kenderaan
Keputusan Kajian ini
Highway Cude Smeed and Daou ( 1996 )Kajian ini
Marphenson Bennet Lane ( 1968 )
(-1993 )
Following 10 m Following 10 mFollowing 18 mFollowing 10 m
DistanceDistanceDistanceDistance
Speed20 km/h Speed20 km/hSpeed20 km/hSpeed 20 km/h
Contoh Data Cerapan
Headway , H = Ao + A1V
Following typeSample saizAo ( )A1R
All Vehicle38792.98 ( 3.95 )1.16 ( 0.19 )0.98
Car - Car22591.26 ( 5.66 )1.19 ( 0.18 )0.96
Car - HGV8664.04 ( 1.96 )1.12 ( 0.11 )0.99
HGV - HGV2789.33 ( 11.19 )1.21 ( 0.61 )0.85
HGV - Car4305.17 ( 12.96 )1.19 ( 0.69 )0.81
Note : Figure in ( ) the standard deaviation of the corrsesponding coefficients.
JALAN PONTIAN - JOHOR BHARU ( Jalan Tunggal )
NO.MASA MULA JARAK KEPALAMASA AKHIRJARAK KEPALAHALAJU ( m/s )HALAJU ( km/j )PURATA JARAK
( s ) ( s )( s )( s)KEPALA
( s )
11.110.003.520.0020.74774.6890.00
24.193.086.152.6325.51091.8372.86
35.090.907.331.1822.32180.3571.04
45.450.367.890.5620.49273.7700.46
55.770.328.150.2621.00875.6300.29
66.260.498.300.1524.51088.2350.32
76.610.358.990.6921.00875.6300.52
89.322.7111.572.5824.51088.2352.65
99.810.4912.040.4721.00875.6300.48
1011.321.5113.371.3322.22280.0001.42
1113.732.4115.962.5922.42280.7172.50
1213.980.2516.340.3821.18676.2710.32
1316.092.1118.251.9123.14883.3332.01
1416.660.5719.070.8220.74774.6890.70
1547.4530.7949.6230.5523.04182.94930.67
1661.2213.7763.0613.4427.17497.82613.61
1764.623.4067.174.1119.60870.5883.76
1865.560.9468.040.8720.16172.5810.91
1965.950.3968.440.4020.08072.2890.39
2066.320.3769.070.6318.18265.4550.50
2167.060.7470.621.5514.04550.5621.15
2268.361.3071.230.6117.42262.7180.95