WESTERN FEDERAL LANDS HIGHWAY DIVISION

WM200-80

DETAIL APPROVED FOR USE 2/2004

DRAFT: 11/2014

REVISED:

2+124

ROAD APPROACHES

WASHINGTON

m

18.84

18.51

18.19

17.88

17.57

17.26

16.96

16.67

16.38

16.10

15.82

15.54

15.27

15.01

14.75

14.49

14.24

13.99

13.74

13.50

13.26

13.03

12.79

12.57

12.34

12.12

11.90

11.68

11.46

11.25

11.04

m

12.66

12.89

13.12

13.36

13.60

13.85

14.09

14.34

14.60

14.86

15.12

15.39

15.66

15.93

16.21

16.50

16.79

17.09

17.39

17.69

18.01

18.33

18.65

18.98

19.32

19.66

20.02

20.38

20.74

21.12

21.50

m m

50.38

49.93

49.48

49.05

48.62

48.20

47.79

47.38

46.98

46.59

46.21

45.83

45.45

45.09

44.73

44.37

44.02

43.67

43.33

42.99

42.66

42.33

42.01

41.68

41.37

41.05

40.74

40.43

40.13

39.82

39.52

25.40

25.00

24.61

24.23

23.85

23.49

23.13

22.79

22.45

22.11

21.79

21.47

21.16

20.86

20.56

20.27

19.98

19.70

19.43

19.16

18.90

18.64

18.39

18.15

17.91

17.67

17.44

17.21

16.99

16.77

16.56

m2 m2

31

32

34

35

37

38

40

42

44

46

48

50

52

54

56

58

61

63

66

69

71

74

77

80

84

87

90

94

98

101

105

239

233

228

223

218

213

208

203

199

195

190

186

182

178

175

171

168

164

161

157

154

151

148

145

143

140

137

134

132

129

127

4.2 m

6 m

R6 mR

15 m

surface course shall not exceed 40 mm in depth.

Dimensions without units are millimeters.6.

3 m

20 m

15 mR

3 m

3 m

10.7 mR

3 m3 m3 m

7.5 m (max.)

4.5 m (min.)

9 to 15 mR

3 m

30.25 m

16.5 m

R

16.5 mR

3.6 m3.6 m

30 m

depression in a 3.0 m chord

a 80 mm hump or a 50 mm

Vertical curve length

12 m (min.) type M

3.5 m (min.) type D

9 m (min.) types B and C

6 m (min.) type A

13.7 m

22.5 m (max.)

13.5 m (min.)

FEDERAL HIGHWAY ADMINISTRATION

U.S. DEPARTMENT OF TRANSPORTATION

METRIC DETAIL

DETAIL

]M

etric

[

c:\m

yfiles\p

w_production\d

ms00743\Det.

W200-80.d

gn

11:11 A

M

7 N

ove

mber 2

014

STATE PROJECTNUMBER

SHEET

Edge of should

er

NOTE:

NO SCALE

CL

CL

CL

CL

CL

CL

CL

Right of way or easement line

of approach

PLAN OF TYPE A APPROACH

TYPE M INTERSECTION DATA

PLAN OF TYPE B APPROACH PLAN OF TYPE C APPROACH

PLAN OF TYPE D APPROACH

PLAN OF TYPE M APPROACH

ON PLAN SHEETS

ROAD APPROACH LOCATIONS

C, D, M APPROACHES

PROFILE OF TYPE A, B,

∆1θ

SKEW∆2

T1 T2 T3 T4 Area A Area B

105°

104°

103°

102°

101°

100°

99°

98°

97°

96°

95°

94°

93°

92°

91°

90°

89°

88°

87°

86°

85°

84°

83°

82°

81°

80°

79°

78°

77°

76°

75°

97°35"

96°35"

95°35"

94°35"

93°35"

92°35"

91°35"

90°35"

89°35"

88°35"

87°35"

86°35"

85°35"

84°35"

83°35"

82°35"

81°35"

80°35"

79°35"

78°35"

77°35"

76°35"

75°35"

74°35"

73°35"

72°35"

71°35"

70°35"

69°35"

68°35"

67°35"

Edge of traveled way

Edge of traveled wayEdge of traveled way

Edge of traveled way

shoulder

Edge of shoulder

Edge of

shoulder

Edge of

shoulder

Edge of

of approach of approach of approach

Right of way or easement line Right of way or easement line Right of way or easement line

CL CL

Variable 75° to 105° Variable 75° to 105°

Variable 75° to 105°HighwayHighway Highway

Sy

mm

etrical

Sy

mm

etrical

CL CL

5.

4.

3.

2.

1.

compatible with the adjacent roadway construction.

Construct side slope ratios and finish approaches

unless otherwise shown on the plans.

Extend paving to the right-of-way or easement line

shown on the adjacent roadbed, except that the

Finish other approaches with the same treatment as

treatment as shown for the adjacent roadbed.

Finish type D and M approaches with the same

existing alignment of new approach is at an angle.

Continue approach radius as required if connection to

25:1 taper

10:1 taper 10:1 taper 10:1 tap

er10:1 tap

er

Right of way or easement line

of approach

Edge of shoulder

Variable 75° to 105°

Highway

Edge of traveled way

Sy

mm

etrical

75°

76°

77°

78°

79°

80°

81°

82°

83°

84°

85°

86°

87°

88°

89°

90°

91°

92°

93°

94°

95°

96°

97°

98°

99°

100°

101°

102°

103°

104°

105°

T3

T2

T2

AREA BAREA A

θ

T4

T1

7°25'

∆1 = θ - 7°25'

∆2 = 180° - θ

CLHighway

Edge of traveled way

Edge of traveled way

Edge of shouldershoulder

Edge of

Vertical curves not to exceed

Point G

of highway

A

%

Type

of highway

-8% (max.) for Type D

-15% max.

+8% (max.) for Type D

+15% max.

±2%

Point Gslope

Pavement

T1

stationing

Mainline

unless otherwise shown on plans

of approach beyond Point G,

Grade shown is designated grade