BSicon/Catalogue/parallel junctions

Single to double

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
SPLa																	single to double
mSPLa																	single to double, mixed
SPLa.F																	single to double, moved forward
vSHI2gl-																	right only to double
v-SHI2gr																	left only to double
SPLa+r																	right to double
SPLa+l																	left to double
vABZq+rl																	across & right to right & left to left
vABZq+rxl																	across & right to right & left to left
vSTR+r-STR+l																	double from right & left
Combinations
SPLag+r																	single & from right to double
SPLag+xr																	single & from unused right to double
SPLag+lr																	single & from right & left to double
SPLag+xlr																	single & from unused right & left to double
SPLag+l																	single & from left to double
SPLag+xl																	single & from unused left to double
vJCTgo+r																	single & from right to both, over
vJCTgu+r																	single & from right to both, under
vJCTgo+l																	single & from left to both, over
vJCTgu+l																	single & from left to both, under
SPLa+r+g																	single to left through & from right to double
SPLa+r+xg																	unused single to left through & from right to double
SPLa+l+g																	single to right through & from left to double
SPLa+l+xg																	unused single to right through & from left to double
vABZ+ra-STR+la
vSTR+r-ABZ+la
SHI4l+vSHI1+l-SHI2+lo																	(should be KRW, not ÜW)
vÜSTl+gr																	single to left from back & right
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext

Double to single

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
SPLe																	double to single
mSPLe																	double to single, mixed
SPLe.G																	double to single, moved back
vSHI2g+l-																	double to right only
v-SHI2g+r																	double to left only
SPLer																	double to right
SPLel																	double to left
vABZqrl																	across & right to right & left to left
vSTRr-STRl																	double to right & left
Combinations
SPLegr																	double to single & right
SPLegxr																	double to single & unused right
SPLeglr																	double to single & right & left
SPLegxlr																	double to single & unused right & left
SPLegl																	double to single & left
SPLegxl																	double to single & unused left
vJCTgor																	both to single & right, over
vJCTgur																	both to single & right, under
vJCTgol																	both to single & left, over
vJCTgul																	both to single & left, under
SPLer+g																	double to right & single to left through
SPLer+xg																	double to right & unused single to left through
SPLel+g																	double to left & single to right through
SPLel+xg																	double to left & unused single to right through
vABZr-STRle
vSTRr-ABZle
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext

Double to double + single branch

Junction at left

1v2-3	1v2-3	1v2-e3	1v2-x3	1v2-ex3	1vex2-3	1vex2-e3	1vex2-x3	ex1v2-3	u1v2-3	u1v2-e3	u1v2-x3	u1v2-ex3	u1vex2-3	u1vex2-e3	u1vex2-x3	uex1v2-3
vSTR-ABZg+l																	through and from left
vSTR-ABZgl																	through and to left
vSTR-ABZgl+l																	through and to and from left
tvSTR-ABZg+l																	through and from left
tvSTR-ABZgl																	through and to left
vSTR-ABZl+l																	to and from left
vSTR-ABZxl+l																	to and from left
vSTR-ABZl+xl																	to and from left
vSTR-ABZg+r																	through and from right
vSTR-ABZgr																	through and to right
vSTR-ABZgr+r																	through and to and from right
vSTR-ABZg+ro																	through and from right (over)
vSTR-ABZgro																	through and to right (over)
vSTRo-ABZg+r																	through and from right (under)
vSTRo-ABZgr																	through and to right (under)
vSTR-ABZg+1																	through and from corner 1
vSTR-ABZg2																	through and to corner 2
vSTR+r-SHI2g+r																	from right – through and shift from right
vSTRr-SHI2gr																	to right – through and shift to right
1v2-3	1v2-3	1v2-e3	1v2-x3	1v2-ex3	1vex2-3	1vex2-e3	1vex2-x3	ex1v2-3	u1v2-3	u1v2-e3	u1v2-x3	u1v2-ex3	u1vex2-3	u1vex2-e3	u1vex2-x3	uex1v2-3

Junction at right

1v2-3	1v2-3	1ve2-3	1vx2-3	1vex2-3	1v2-ex3	1ve2-ex3	1vx2-ex3	ex1v2-3	u1v2-3	u1ve2-3	u1vx2-3	u1vex2-3	u1v2-ex3	u1ve2-ex3	u1vx2-ex3	uex1v2-3
vABZg+r-STR																	through and from right
vABZgr-STR																	through and to right
vABZgr+r-STR																	through and to and from right
tvABZg+r-STR																	through and from right
tvABZgr-STR																	through and to right
vABZr+r-STR																	to and from right
vABZxr+r-STR																	to and from right
vABZr+xr-STR																	to and from right
vABZg+l-STR																	through and from left
vABZgl-STR																	through and to left
vABZgl+l-STR																	through and to and from left
vABZg+lo-STR																	through and from left (over)
vABZglo-STR																	through and to left (over)
vABZg+l-STRo																	through and from left (under)
vABZgl-STRo																	through and to left (under)
vABZg+4-STR																	through and from corner 4
vABZg3-STR																	through and to corner 3
vSHI2g+l-STR+l																	through and shift from left – from left
vSHI2gl-STRl																	through and shift to left – to left
1v2-3	1v2-3	1ve2-3	1vx2-3	1vex2-3	1v2-ex3	1ve2-ex3	1vx2-ex3	ex1v2-3	u1v2-3	u1ve2-3	u1vx2-3	u1vex2-3	u1v2-ex3	u1ve2-ex3	u1vx2-ex3	uex1v2-3

Junctions on both lines

v1-2	v1-2	ve1-e2	ve1-ex2	vex1-e2	exv1-2	uv1-2	uve1-e2	uve1-ex2	uvex1-e2	uexv1-2
vABZg+l-ABZg+l											through and from left – through and from left
vABZgl-ABZgl											through and to left – through and to left
vABZg+r-ABZg+r											through and from right – through and from right
vABZgr-ABZgr											through and to right – through and to right
vABZg+r-ABZg+l											through and from right – through and from left
vABZgr-ABZg+l											through and to right – through and from left
vABZg+r-ABZgl											through and from right – through and to left
vABZgr-ABZgl											through and to right – through and to left
vABZr+r-SHI2g+r											to and from right – through and shift from right
vABZr+r-SHI2gr											to and from right – through and shift to right
vSHI2g+l-ABZl+l											through and shift from left – to and from left
vSHI2gl-ABZl+l											through and shift to left – to and from left
v1-2	v1-2	ve1-e2	ve1-ex2	vex1-e2	exv1-2	uv1-2	uve1-e2	uve1-ex2	uvex1-e2	uexv1-2

Mixed

		ex	u	uex
vSTRo-emABZg+r
vSTRo-emABZgr
vSTR-emABZgl
mvSTR-ABZgr
mvSTR-ABZg+r
mvSTR-ABZg+ro
mvSTR-ABZgl
mvSTR-ABZg+l
mveABZg+r-STR
mvABZr+r-STR
mvABZg+r-STR
mvABZgr-STR
mveABZgr-STR
mveSHI2gr-STR
mvABZr+r-STR
		ex	u	uex

Double to double + double branch

Flat crossing

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
vABZgl																	Through and to left
vABZgr																	Through and to right
vABZg+l																	Through and from left
vABZg+r																	Through and from right
vABZql																	Across and to left
vABZqr																	Across and to right
vABZq+l																	Across and from left
vABZq+r																	Across and from right
vABZqlr																	Wye up
vABZq+lr																	Wye down
vABZgl+l																	Wye to the left
vABZgr+r																	Wye to the right
vKRZlr+lr																	4-way junction
vSTRl+r																	opposite curves (for use as overlay to provide 3rd corner)
vSTRr+l																	opposite curves (for use as overlay to provide 3rd corner)
Mixed
mvABZgl																	Through and to left
mvABZgr																	Through and to right
mvABZg+l																	Through and from left
mvABZg+r																	Through and from right
mvABZql																	Across and to left
mvABZqr																	Across and to right
mvABZq+l																	Across and from left
mvABZq+r																	Across and from right
mvABZ-gl																	Single line ahead, both through and to left
mvABZ-gr
mvABZg-r																	Single line ahead, both through and to right
mvABZg-l
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext

Grade separated

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
vABZglf-ABZgolg																	Through and to left
vABZglfo-ABZglg
vABZglfo-eABZglg
vABZglgu-ABZglf
vSTRl-ABZglo
vABZgrg-ABZgrfo																	Through and to right
vABZgrg-xABZgrfo
vABZgru-STRr
vABZg+lg-ABZgo+lf																	Through and from left
vABZg+lgo-ABZg+lf
vABZg+lgo-eABZg+lf
vABZg+lgo-ABZglf+lf
vABZg+rf-ABZg+rgo																	Through and from right
vABZgo+rf-ABZg+rg
vABZgo+rf-eABZg+rg
vABZgo+rf-xABZg+rg
vABZg+ro-STR+r
vABZg+ru-STR+r
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext

Parallel lines across

Double to one side

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
SPLaq																	single to double, across
SPLeq																	double to single, across
SHI2grq-																	single to double, upper line
SHI2g+rq-																	double to single, upper line
-SHI2glq																	single to double, lower line
-SHI2g+lq																	double to single, lower line
SPLal																	single to double, to left
dSPLal																	single to double, to left half width
vSPLal-																	single to double, to left from right parallel line
mvSPLal-																	single to double, to left from right parallel line, mixed
v-SPLal																	single to double, to left from left parallel line
SPLe+l																	double to single, from left
SPLar																	single to double, to right
dSPLar																	single to double, to right half width
vSPLar-																	single to double, to right from right parallel line
v-SPLar																	single to double, to right from left parallel line
mv-SPLar																	single to double, to right from left parallel line, mixed
SPLe+r																	double to single, from right
v-SPLa+r																	double to single, from right to left parallel line
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext

45° at corners

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
Single line
vABZg+1-																	from corner 1 junction with right line
vABZg2-																	to corner 2 junction with right line
vABZg3-																	to corner 3 junction with right line
vABZg+4-																	from corner 4 junction with right line
v-ABZg+1																	from corner 1 junction with left line
v-ABZg2																	to corner 2 junction with left line
v-ABZg3																	to corner 3 junction with left line
v-ABZg+4																	from corner 4 junction with left line
Single to double
SPL+1																	from corner 1 single to double
SPLg+2																	to corner 2 double to single
SPLg+3																	to corner 3 double to single
SPL+4																	from corner 4 single to double
SPLr+1																	to right from corner 1 single to double
SPLr+2																	to corner 2 from right double to single
SPLl+3																	to corner 3 from left double to single
SPLl+4																	to left from corner 4 single to double
SPL1+f																	from corner 1 double to single
SPL1+f~l																	from corner 1 double to single, left line only
SPL1+f~r																	from corner 1 double to single, right line only
SPL2																	to corner 2 single to double
SPL2~l																	to corner 2 single to double, left line only
SPL2~r																	to corner 2 single to double, right line only
SPL3																	to corner 3 single to double
SPL3~l																	to corner 3 single to double, left line only
SPL3~r																	to corner 3 single to double, right line only
SPL4+f																	from corner 4 double to single
SPL4+f~l																	from corner 4 double to single, left line only
SPL4+f~r																	from corner 4 double to single, right line only
SPL1+r																	to right from corner 1 double to single
SPL1+r~l																	to right from corner 1 double to single, left line only
SPL1+r~r																	to right from corner 1 double to single, right line only
SPL2+r																	to corner 2 from right single to double
SPL2+r~l																	to corner 2 from right single to double, left line only
SPL2+r~r																	to corner 2 from right single to double, right line only
SPL3+l																	to corner 3 from left single to double
SPL3+l~l																	to corner 3 from left single to double, left line only
SPL3+l~r																	to corner 3 from left single to double, right line only
SPL4+l																	to left from corner 4 double to single
SPL4+l~l																	to left from corner 4 double to single, left line only
SPL4+l~r																	to left from corner 4 double to single, right line only
SPL3+1																	to corner 3 from corner 1 single to double
SPL3+1~l																	to corner 3 from corner 1 single to double, left line only
SPL3+1~r																	to corner 3 from corner 1 single to double, right line only
SPL1+3																	to corner 3 from corner 1 double to single
SPL1+3~l																	to corner 3 from corner 1 double to single, left line only
SPL1+3~r																	to corner 3 from corner 1 double to single, right line only
SPL2+4																	to corner 2 from corner 4 single to double
SPL2+4~l																	to corner 2 from corner 4 single to double, left line only
SPL2+4~r																	to corner 2 from corner 4 single to double, right line only
SPL4+2																	to corner 2 from corner 4 double to single
SPL4+2~l																	to corner 2 from corner 4 double to single, left line only
SPL4+2~r																	to corner 2 from corner 4 double to single, right line only
SPL2+1																	to corner 2 from corner 1 single to double
SPL2+1~l																	to corner 2 from corner 1 single to double, left line only
SPL2+1~r																	to corner 2 from corner 1 single to double, right line only
SPL1+2																	to corner 2 from corner 1 double to single
SPL1+2~l																	to corner 2 from corner 1 double to single, left line only
SPL1+2~r																	to corner 2 from corner 1 double to single, right line only
SPL3+4																	to corner 3 from corner 4 single to double
SPL3+4~l																	to corner 3 from corner 4 single to double, left line only
SPL3+4~r																	to corner 3 from corner 4 single to double, right line only
SPL4+3																	to corner 3 from corner 4 double to single
SPL4+3~l																	to corner 3 from corner 4 double to single, left line only
SPL4+3~r																	to corner 3 from corner 4 double to single, right line only
SPL2+3																	to corner 2 from corner 3
SPL2+3~l																	to corner 2 from corner 3 left line only
SPL2+3~r																	to corner 2 from corner 3 right line only
SPL3+2																	to corner 3 from corner 2
SPL3+2~l																	to corner 3 from corner 2 left line only
SPL3+2~r																	to corner 3 from corner 2 right line only
SPL1+4																	to corner 1 from corner 4
SPL1+4~l																	to corner 1 from corner 4 left line only
SPL1+4~r																	to corner 1 from corner 4 right line only
SPL4+1																	to corner 4 from corner 1
SPL4+1~l																	to corner 4 from corner 1 left line only
SPL4+1~r																	to corner 4 from corner 1 right line only
Double to double
vABZg+1																	through and from corner 1
vABZg2																	through and to corner 2
vABZg3																	through and to corner 3
vABZg+4																	through and from corner 4
vABZq+1																	across and from corner 1
vABZq2																	across and to corner 2
vABZq3																	across and to corner 3
vABZq+4																	across and from corner 4
Double to triple
vSPL1+f~l
vSPL1+f~r
vSPL1+f~l~l
vSPL1+f~r~r
vSPL2~l
vSPL2~r
vSPL2~l~l
vSPL2~r~r
vSPL3~l
vSPL3~r
vSPL3~l~l
vSPL3~r~r
vSPL4+f~l
vSPL4+f~r
vSPL4+f~l~l
vSPL4+f~r~r
vSPL1+r~l
vSPL1+r~r
vSPL1+r~l~l
vSPL1+r~r~r
vSPL2+r~l
vSPL2+r~r
vSPL2+r~l~l
vSPL2+r~r~r
vSPL3+l~l
vSPL3+l~r
vSPL3+l~l~l
vSPL3+l~r~r
vSPL4+l~l
vSPL4+l~r
vSPL4+l~l~l
vSPL4+l~r~r
vSPL3+1																	to corner 3 from corner 1 double to triple
vSPL3+1~l																	to corner 3 from corner 1 double to triple, left line only
vSPL3+1~r																	to corner 3 from corner 1 double to triple, right line only
vSPL3+1~LL
vSPL3+1~GG
vSPL1+3																	to corner 3 from corner 1 triple to double
vSPL1+3~l																	to corner 3 from corner 1 triple to double, left line only
vSPL1+3~r																	to corner 3 from corner 1 triple to double, right line only
vSPL1+3~RR
vSPL1+3~FF
vSPL2+4																	to corner 2 from corner 4 double to triple
vSPL2+4~l																	to corner 2 from corner 4 double to triple, left line only
vSPL2+4~r																	to corner 2 from corner 4 double to triple, right line only
vSPL2+4~RR
vSPL2+4~GG
vSPL4+2																	to corner 2 from corner 4 triple to double
vSPL4+2~l																	to corner 2 from corner 4 triple to double, left line only
vSPL4+2~r																	to corner 2 from corner 4 triple to double, right line only
vSPL4+2~LL
vSPL4+2~FF
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext

Loops

Abbreviation is from the German Wendeschleife (literally: turning loop). Compare with the single line versions.

Loops closing parallel lines

		ex	t	ext	u	uex	ut	uext
vWSLa									Loop closing start
vWSLe									Loop closing end
vWSLaq									Loop closing across, start
dvWSLaq									Loop closing across, start, half width
vWSLeq									Loop closing across, end
dvWSLeq									Loop closing across, end, half width
		ex	t	ext	u	uex	ut	uext

Looping junctions

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
vWSLg+l																	Single line to double to right; loop from the left
vWSLg+r																	Single line to double to left; loop from the right
vWSLgl																	Double line to single from right; loop to the left
vWSLgr																	Double line to single from left; loop to the right
vWSLga																	Double line with loop forward
vWSLge																	Double line with loop backwards
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext

Passing loops

		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext
ISLAND																	Single to double to single line
		e	x	ex	t	et	xt	ext	u	ue	ux	uex	ut	uet	uxt	uext