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   @           vsX@BRoman 10cpi Roman 17cpi  2            X        g              . , . ,    USUK  3'                                          3'Standard                                  6&                                          6& Standard        EPFX1050.PRS x 
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      3    953}3
    070  
R          P
       :N  X9E
          P
     
  I#45'0'0"
;          P
       (0,0) 	 06(100,100) L 
   05M1  
  o3S17S1
  5/5x3    # 
 *************************
 # 
 *                       *
 # 
 *  R O A D   M O D E L  *
 # 
 *                       *
 # 
 *************************
 / a                
   )  USER'S GUIDE
 / a 
 *  Version 3.3
 / a 
 *  August 1993
 / a      


                    
(C) Copyright 1988  1993, Chainman Technology, 163 Mid Stocket
Road, Aberdeen AB2 4LU. All rights reserved.

                        
     T A B L E   O F   C O N T E N T S
  
  -----------------------------------
 / a      
 INTRODUCTION .................................  1

 SYSTEM REQUIREMENTS ..........................  1

 START-UP .....................................  1

 GETTING STARTED - A SAMPLE SESSION ...........  2
 
 X A SIMPLE WORKING EXAMPLE .....................  6"

 FUNCTIONS IN DETAIL ..........................  8
 `	`	 'Alignment' .............................  8
 `	`	 'Stations' .............................. 10
 `	`	 'Coordinates' ........................... 11
 `	`	 'Options' ............................... 11

 X REGISTERING INFORMATION ...................... 12"

 TECHNICAL SUPPORT ............................ 12
  




   #         p-p-p-  
     
 @                              page                         @ 
    
 @ page                         page                         @ a) INTRODUCTION

ROAD MODEL is intended for use by surveyors and setting out
engineers involved in the control of alignment of roadworks.
Parameters of a road's geometry are stored on disk. The program
can then generate coordinates along the centre line and at
offsets. Survey stations can be selected from a database module
so that Whole Circle Bearings and distances can be printed out
ready for input to surveying equipment.

ROAD MODEL has been around for over eight years and has existed
as a shareware product since 1988. In that time a customer base
has developed, made up predominantly of freelance engineers
wanting to increase their efficiency. Amongst these customers,
ROAD MODEL has been praised as being well structured and easy to
use and has proved to be reliable and accurate. 

ROAD MODEL is a simple and inexpensive application that makes the
use of computers on site a realistic solution to improve the
accuracy and efficiency of setting out calculation.

This Program is distributed under the "Shareware" concept. Feel
free to pass copies to your colleagues, PC users groups or other
interested parties. This program may be uploaded to bulletin
boards provided this documentation file and example files are
included. ROAD MODEL may only be distributed in its original
unmodified state, complete with data files and this
documentation.  

You should register your copy. Registration has many benefits
described on page 12.

  

   &  SYSTEM REQUIREMENTS
 / a      
ROAD MODEL runs on IBM PC compatible computers with a colour
monitor and with MS DOS operating system version 2.0 or later.
A printer is optional but users will find in practice, printed
output is indispensable.  


   +  START-UP
 / a                                         
Installation : 

 X ROAD MODEL can be run from either floppy or fixed disk
systems. To install ROAD MODEL onto a fixed disk insert the
program disk into drive A:, switch to the directory of your
fixed disk that you wish to run the program from and enter
the DOS command COPY A:\*.*. To run the program simply type
RML.  "



   *         p-++@@      i GETTING STARTED - A SAMPLE SESSION
 / a 
 / a      When ROAD MODEL is started up your screen will display the main
menu through which all of the software's features are accessed. 
Each of the menu choices can be selected by using the cursor keys
and then pressing the carriage return or by pressing the first
letter of the menu item.  

On selecting 'Alignment' you are presented with a further menu
and a table which you will use for entering alignment data. To
see how a completed form should look, select the 'Retrieve'
option. By using the arrow keys, scroll through the choice list
until "DUNBEATH" is highlighted and then press <ESC>. The program
will search the directory for the file called DUNBEATH.RM3 and
load it into memory. Your screen should now look like figure 1
below. More will be said later about entering alignment data but
for the meantime we wish to return to the main menu. Do this by
selecting the 'Last menu' option or by pressing <ESC>.  

   7  #  F \	    @  X@#  Save    Retrieve    Edit    New    Print    Last menu
 Retrieve alignment from disk file


Alignment
	 NAME OF ROAD      : A9 Dunbeath Diversion                                    	
	 START CHAINAGE    :     297.000                                              	
	 START COORDINATES :   5,303.456 E    8,357.210 N                             	
&++++(
	T.P.	 CHORD TYPE 	      END       	        END COORDINATES        	  STATUS   	
	NUMB	            	    CHAINAGE    	     EASTING       NORTHING    	           	

	  1 	 Circle     	      366.028   	     5,305.528     8,426.147   	 Defined   	
	  2 	 Transition 	      456.028   	     5,296.092     8,515.616   	 Defined   	
	  3 	 Straight   	      822.154   	     5,246.274     8,878.337   	 Defined   	
	  4 	 Transition 	      902.154   	     5,237.361     8,957.821   	 Defined   	
	  5 	 Circle     	    1,236.075   	     5,318.271     9,276.273   	 Defined   	
	  6 	 Transition 	    1,316.075   	     5,364.041     9,341.861   	 Defined   	
	  7 	 Straight   	    1,569.044   	     5,513.913     9,545.654   	 Defined   	
	  8 	 Transition 	    1,649.045   	     5,562.882     9,608.891   	 Defined   	
	  9 	 Circle     	    2,125.549   	     5,984.097     9,796.326   	 Defined   	
	 10 	 Straight   	    2,236.490   	     6,004.123     9,905.445   	 Defined   	



figure 1: Typical alignment table.
# x \	    @   X@# 
   `"         p-++@@  We now want to work with survey stations. Select the 'Stations'
option and then select 'Retrieve'. Use the arrow keys to
highlight "DUNBEATH" and then press <ESC>. The program will
search the directory for the file called DUNBEATH.STN and load
it into memory. Your screen should now look like figure 2. By
selecting the 'Edit' menu option we can edit the table entries.
Use the cursor keys to move around the table. To sort the file
press <KEY_F5> and the stations will rearrange so that the
"CHAINAGE" column is in ascending sequence. To delete a station
from the file press <CTRL_F3>. More will be said later about
these features but for the meantime press <ESC> to return to the
'Stations' menu. Press <ESC> a second time to return to the main
menu.  

   7 
 #  F \	    @  X@#  Save    Retrieve    Edit    New    Print    Last menu
 Edit the current stations file


Stations
	   NAME    	CHAINAGE	  EASTING  	  NORTHING 	  LEVEL  	BACKSIGHT 1	BACKSIGHT 2	

	 PGM60     	    300 	  5,271.555	  8,381.487	  93.034 	 PGM59     	 ********* 	
	 PGM59     	    490 	  5,232.869	  8,537.632	 102.534 	 PGM60     	 PGM58     	
	 PGM58     	    570 	  5,240.335	  8,626.658	  98.058 	 PGM59     	 PGM57     	
	 PGM57     	    700 	  5,200.132	  8,758.735	 103.272 	 PGM58     	 PGM56     	
	 PGM56     	    860 	  5,184.511	  8,909.629	 102.796 	 PGM57     	 PGM55     	
	 PGM55     	    985 	  5,170.620	  9,040.063	  98.894 	 PGM56     	 PGM53     	
	 PGM53     	  1,180 	  5,224.849	  9,238.121	  93.845 	 PGM55     	 PGM52     	
	 PGM52     	  1,290 	  5,280.049	  9,368.156	  95.080 	 PGM53     	 PGM51     	
	 PGM51     	  1,390 	  5,348.779	  9,420.039	   0.000 	 PGM52     	 PGM25     	
	 PGM25     	  1,480 	  5,440.044	  9,493.132	  90.226 	 PGM51     	 ********* 	
	 PGM26     	  1,590 	  5,506.343	  9,576.095	  81.956 	 PGM25     	 PGM28     	
	 PGM28     	  1,800 	  5,654.705	  9,715.077	  61.418 	 PGM26     	 PGM29     	
	 PGM29     	  2,000 	  5,864.467	  9,791.148	  39.990 	 PGM28     	 P1        	
	 P1        	  2,200 	  6,058.256	  9,836.418	  19.983 	 PGM29     	 ********* 	
	 STN6+00   	    600 	  5,291.329	  8,660.395	   0.000 	 PGM58     	 PGM57     	



figure 2: Typical Stations table.
# x \	    @   X@# 
   x         p-++@@  If we now enter the 'Coordinates' option in the main menu we are
presented with a screen similar to figure 3. We can move into any
of the fields in the top window by using the cursor keys, the tab
key or by pressing carriage return. When any of the fields are
changed the bottom window displays the resulting coordinates. 
If we move to the 'Station' field we can select a station from
a choice list by pressing <KEY_F1>. Use the arrow keys to make
your selection and then press <ESC>. Then press carriage return
to generate the Whole Circle Bearings and distances. 


   7  #  F \	    @  X@# 
A9 Dunbeath Diversion
	 --Chainage-   -Left-   -Right   -Station-    Step    -End chain-   Printer 	
	     300.000    3.650    3.650   PGM59         10.000       600.000     Off   	



Coordinates
  Chainage :     300.000      Chord type: Circle                              
*Polar,
                         --EASTING--   --NORTHING-                            
  Left Edge   ( 3.650) =   5,300.119     8,360.545                            
  Centre Line ( 0.000) =   5,303.753     8,360.195                            
  Right Edge  ( 3.650) =   5,307.386     8,359.846                            
*Vector,
  PGM59     to Left Edge   ( 3.650) = 159' 12' 18" -->     189.427            
  PGM59     to Centre Line ( 0.000) = 158' 13' 26" -->     191.071            
  PGM59     to Right Edge  ( 3.650) = 157' 15' 34" -->     192.771            

figure 3: Typical Coordinates windows.
# x \	    @   X@# 

   8         p-++@@  The 'Printer' field can be switched on and off by pressing
<CTRL_P>. If the printer is switched on then each time a field
is changed the printer will print coordinates as shown in figure
4.  

#  F \	    @  X@# 
CHAINAGE   300.000      Dunbeath Diversion                     (Circle)
------------------

PGM59     to     PGM60 = 166'  5'  5" -->    160.866
PGM59     to     PGM58 =   4' 47' 37" -->     89.339

FEATURE      OFFSET     EASTING    NORTHING        W.C.B.          DISTANCE
LEFT EDGE     3.650     5300.119    8360.545    159' 12' 18" -->    189.427
CENTRE LINE   0.000     5303.753    8360.195    158' 13' 26" -->    191.071
RIGHT EDGE    3.650     5307.386    8359.846    157' 15' 34" -->    192.771
===========================================================================
CHAINAGE   310.000      Dunbeath Diversion                     (Circle)
------------------
FEATURE      OFFSET     EASTING    NORTHING        W.C.B.          DISTANCE
LEFT EDGE     3.650     5300.967    8370.432    157' 50' 23" -->    180.536
CENTRE LINE   0.000     5304.606    8370.159    156' 48' 43" -->    182.191
RIGHT EDGE    3.650     5308.246    8369.885    155' 48' 11" -->    183.904
===========================================================================
CHAINAGE   320.000      Dunbeath Diversion                     (Circle)
------------------
FEATURE      OFFSET     EASTING    NORTHING        W.C.B.          DISTANCE
LEFT EDGE     3.650     5301.607    8380.335    156' 23' 41" -->    171.660
CENTRE LINE   0.000     5305.252    8380.138    155' 19'  1" -->    173.331
RIGHT EDGE    3.650     5308.896    8379.940    154' 15' 36" -->    175.062
===========================================================================

figure 4: Typical printer output.

# x \	    @   X@#             p-++@@  If we now return to the main menu and enter the 'Options' item
we will be presented with the window shown in figure 5. This
allows printer control codes to be set.



   7  #  F \	    @  X@# 
Startup
	                                                                              	
	                                                                              	
	                                                                              	
Printer settings
	 Output                 : to printer                                          	
	 Paper feed             : single sheet                                        	
	 Page length            : 66                                                  	
	 Print mode             : Quality                                             	



figure 5: Typical Options window.

# x \	    @   X@# 


   # 
 A SIMPLE WORKING EXAMPLE
 / a      
The following simple example demonstrates some of the
capabilities of ROAD MODEL. Our imaginary road is a 'Straight'
which has its start at coordinate point (0E,0N) and ends at
(100E,100N). The chainage of the start of the road is 0.  
y !  "	                    <<  d d     RML.CGM                                                        y $  ""AA  ! A$ 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A 
 ! A                
 ! A                
 ! A     
 ! A 
 ! A 
 ! A 
 ! A 
   7 %   AA%""   a #  F \	    @  X@# figure 6: Simple road alignment.# x \	    @   X@# у
 0  H&         p-++@@ A h+  !  0  By selecting the 'Alignment' main menu option and then 'New' we
are prompted for the name of our road. Type in "A9 Caithness
Diversion" and press carriage return. Enter zero in the 'START
CHAINAGE' field. Zeros should also be entered in the 'START
COORDINATES' fields. Our imaginary road is a straight so enter
the letter 'S' in the 'CHORD TYPE' column. 'Straight' will be
written in this column and the cursor will scroll to the next
column. Type 100 in both the Easting and Northing columns. We can
press <KEY_F1> at this stage to see the parameters the program
has worked out.

Now move back to the menu by pressing <ESC>. Select the 'Save'
menu option to save the data you just entered. Type "cness" into
the window and press carriage return. Your data is now stored in
the file CNESS.RM3 and you can now stop the program if you wish. 
On re-starting the program you will need to retrieve your data. 
Select the 'Retrieve' option in the 'Alignment' menu, highlight
"CNESS" and then press <ESC>.  

Along with our imaginary alignment we have three setting out
stations with the coordinates shown below:

        NAME   APPROX. CHAINAGE   EASTING  NORTHING
         P1           80            80        60
         P2           60             0        70
         P3           40            10        40

By selecting the 'New' option in the 'Stations' menu we can enter
the survey station data. We wish to use stations P2 and P3 as
backsights for P1. By entering P2 into the column headed
'BACKSIGHT 1' and P3 into 'BACKSIGHT 2' the program will
automatically calculate the Whole Circle Bearings and distances.
Press <KEY_F1> to view the parameters the program has calculated.
By pressing <KEY_F5> we can rearrange the order of the stations
so that the chainages are in sequence.  

Now move back to the menu by pressing <ESC> and select the 'Save'
menu option to save your survey station data. Type "cness" into
the window and press carriage return. Your survey station data
is now stored in the file CNESS.STN.

If we now go back to the main menu and select the 'Coordinate'
option we can generate coordinates. Our imaginary road is 7.3m
wide. Enter 3.650 into the 'Left' and 'Right' fields so that the
coordinates along the kerb lines will be generated.  

To find the Whole Circle Bearings and distances from P1 type "P1"
into the 'Station' field. Alternatively move to the 'Station'
field and press <KEY_F1> for a choice list. Use the arrow keys
to highlight your choice and then press <ESC>.

The printer can be toggled on and off by pressing <CTRL_P>. If
the 'Printer' field is switched to "On" then output will be sent
to the printer each time a field is changed. 
   *         p-++@@     &  FUNCTIONS IN DETAIL
 / a      
'Alignment':

Before entering data you should prepare a list of the tangent
points along your road similar to the list shown in figure 7. The
list should include the chainage of each tangent point set beside
the corresponding coordinates. It is important for accuracy that
coordinates should be millimetre perfect. In addition you will
need to know the radius and hand of circular chords and the
lengths of any transitions.
#  F \	    @  X@# 
                                                                            TRANSITION
 `	`	  CHAINAGE        EASTING   NORTHING      RADIUS    HAND      LENGTH

TP0 `	`	   297.000      5,303.456  8,357.210 
Circle                                                 478.385    Left        
TP1 `	`	   366.028      5,305.528  8,426.147
Transition                                                                  90.000
TP2 `	`	   456.028      5,296.092  8,515.616
Straight                                                                      
TP3 `	`	   822.154      5,246.274  8,878.337
Transition                                                                  80.000
TP4 `	`	   902.154      5,237.361  8,957.821
Circle                                                   537.137   Right        
TP5  `	`	 1,236.075      5,318.271  9,276.273
Transition                                                                  80.000
TP6      `	`	 1,316.075      5,364.041  9,341.861
Straight                                                                      
TP7     `	`	 1,569.044      5,513.913  9,545.654
Transition                                                                  80.000
TP8     `	`	 1,649.045      5,562.882  9,608.891
Circle                                                   537.204   Right        
TP9     `	`	 2,125.549      5,984.097  9,796.326
Straight                                                                      
TP10     `	`	 2,236.490      6,004.123  9,905.445

figure 7: Typical list of tangent points.
# x \	    @   X@# 
Now select the 'New' menu option in the 'Alignment' menu. The
current alignment is removed from the computers memory and you
are prompted to enter the name of your road. Any title is
permissible but must be less than 32 characters in length. The
start chainage and start coordinates should now be entered. You
will now be in the table part of the form. It is important that
you enter your data in sequence. The program carries out
calculations and checks the data is valid as it is entered. As
data is entered the status of each chord type is reported in the
column headed 'Status'. By pressing <KEY_F1> you can see the
parameters the program has worked out.
                                                                '	         p-++@@  When you have completed entering your data you should save it.
This is done by selecting the 'Save' option from the menu. A
window will appear on screen prompting you for the name of the
file to create. 

A printed report of the entered data similar to figure 8 can be
generated by selecting the 'Print' menu option.

   7 @ #  F \	    @  X@# A9 Dunbeath Diversion

NUM CHORD     CHAINAGE   LENGTH       COORDINATES          W.C.B.     RADIUS    CENTRE OF RADIUS   HAND
    TYPE
1  Circle      297.000   69.028 5303.456E  8357.210N    5' 51' 19"  478.385  4827.567E  8406.013N  left
               366.028          5305.528E  8426.147N  357' 35' 16"

2  Transition  366.028   90.000 5305.528E  8426.147N  357' 35' 16"    0.000     0.000E     0.000N
               456.028          5296.092E  8515.616N  352' 10' 46"

3  Straight    456.028  366.126 5296.092E  8515.616N  352' 10' 46"    0.000     0.000E     0.000N           
            822.154          5246.274E  8878.337N  352' 10' 46"

4  Transition  822.154   80.000 5246.274E  8878.337N  352' 10' 46"    0.000     0.000E     0.000N           
            902.154          5237.361E  8957.821N  356' 26' 46"

5  Circle      902.154  333.921 5237.361E  8957.821N  356' 26' 46"  537.137  5773.465E  8991.116N  right
              1236.075          5318.271E  9276.273N   32'  3' 54"

6  Transition 1236.075   80.000 5318.271E  9276.273N   32'  3' 54"    0.000     0.000E     0.000N           
           1316.075          5364.041E  9341.861N   36' 19' 52"

7  Straight   1316.075  252.969 5364.041E  9341.861N   36' 19' 52"    0.000     0.000E     0.000N           
           1569.044          5513.913E  9545.654N   36' 19' 52"

8  Transition 1569.044   80.000 5513.913E  9545.654N   36' 19' 52"    0.000     0.000E     0.000N           
           1649.045          5562.882E  9608.891N   40' 36'  2"

9  Circle     1649.045  476.504 5562.882E  9608.891N   40' 36'  2"  537.204  5970.761E  9259.288N  right
              2125.549          5984.097E  9796.326N   10' 23' 58"

10  Straight  2125.549  110.941 5984.097E  9796.326N   10' 23' 58"    0.000     0.000E     0.000N           
           2236.490          6004.123E  9905.445N   10' 23' 58"

(C) RML v3.3 (1993) - Chainman Technology.

figure 8: Printout from the 'Alignment' module.
# x \	    @   X@#    (#
         p-++@@  'Stations':

This part of the program is a simple data base which allows
survey stations to be stored on disk. Select the 'New' option in
the 'Stations' menu. The current stations file is removed from
the computer's memory and you are entered into the stations
table.  

Names of stations can be up to 9 characters long. Space
characters are not allowed and will be automatically deleted on
exiting the field. An error will be reported if a duplicate
station name is entered. An error will also be reported if
station data is entered without a station name. Stations can be
removed from the data base by pressing <CTRL_F3>.

The approximate chainage of stations should be entered. The
program uses this field to sort the stations in ascending
chainage sequence. This is done by pressing <KEY_F5>.

The 'Level' field is not used by the program but is included
because it is usually convenient to store this data along with
the coordinates.  

The name of backsights should be entered in the last two columns
of the table. The Whole Circle Bearings and distances to
backsights are automatically calculated and can be viewed by
pressing <KEY_F1>.

When you have completed entering stations you should save your
work by selecting the 'Save' option from the menu bar. A window
will appear on the screen prompting you for the name of the file
to create. 

A printed report of the entered data similar to figure 9 can be
generated by selecting the 'Print' menu option.

   7   #  F \	    @  X@# STATION  CH   EASTING NORTHING   LEVEL|B'SIGHT1   W.C.B.      DISTANCE|B'SIGHT2   W.C.B.      DISTANCE|
PGM60   300  5271.555 8381.487  93.034|PGM59  346$  5'  5"-->  160.866|****** *********   -->    0.000|
PGM59   490  5232.869 8537.632 102.534|PGM60  166$  5'  5"-->  160.866|PGM58    4$ 47' 37"-->   89.339|
PGM58   570  5240.335 8626.658  98.058|PGM59  184$ 47' 37"-->   89.339|PGM57  343$  4' 12"-->  138.060|
PGM57   700  5200.132 8758.735 103.272|PGM58  163$  4' 12"-->  138.060|PGM56  354$  5' 22"-->  151.700|
PGM56   860  5184.511 8909.629 102.796|PGM57  174$  5' 22"-->  151.700|PGM55  353$ 55' 15"-->  131.172|
PGM55   985  5170.620 9040.063  98.894|PGM56  173$ 55' 15"-->  131.172|PGM53   15$ 18' 45"-->  205.348|

(C) RML v3.3 (1993) - Chainman Technology.

figure 9: Printout from the 'Stations' module.
# x \	    @   X@#    $         p-++@@  'Coordinates':

When you select the 'Coordinates' item on the main menu, two
windows appear on the screen. By using the cursor keys you are
able to move around the top window and change any of the fields.
When a field is changed the bottom window displays the calculated
coordinates. The printer can be toggled on and off by pressing
<CTRL_P>. If the 'Printer' field is switched to "On" the
coordinates will automatically be sent to the printer.  

The name of a setting out station can be typed into the 'Station'
field. The program will report an error if the station can not
be found. Alternatively by pressing <KEY_F1> the user is
presented with a choice list of stations. A station can be
selected by using the cursor keys and then pressing <ESC>.
Printed output includes the Whole Circle Bearings and distances
to backsights.

It is often required to generate the coordinates of an alignment
at regular intervals along the chainage. This can be done by
using the 'Step' and 'End chain' fields. The chainage the user
wants to start coordinating from must be entered in the
'Chainage' field. The required interval should then be typed into
the 'Step' field. On entering the end chainage to be coordinated
the program will then generate coordinates increasing the
chainage each time by the given step until the end chainage is
reached. The example given in figure 3 is set up to iterate from
chainage 300 to chainage 600 in 10m intervals. Coordinates will
be generated for chainage 310 then chainage 320 etc.


'Options':

When this menu item is selected you are presented with the window
shown in figure 5. The fields in this window concern the settings
for the printer. The 'Output' field can be toggled between
printer and disk file by pressing the space bar. Output to disk
file is useful when the generated data needs to be entered into
another software package such as a word processor or a
spreadsheet. When disk file is selected all output is appended
to an ASCII disk file called DISKOUTP.DAT which will be written
to the current directory.  

   !         p-++@@  The 'Paper feed' field allows the user to toggle between 66 lines
per page or 70 lines per page. This is only useful when using
continuous paper. The 66 lines per page refers to the normal US
11 inch fan fold paper. The 70 lines per page refers to standard
UK A4 size fan fold paper.

'Print mode' allows the user to select either 'Draft' or
'Quality' output.




   $ 
 REGISTERING INFORMATION
 / a      
Registered users will receive: 

1.     The latest version of ROAD MODEL.

2.     A typeset copy of this manual.  

3.     User support and assistance.  

Other programs are being developed at Chainman Technology such
as a volume calculator for calculating cross section areas and
earthwork quantities, and a contour generator. These are not
shareware programs but are available for purchase to registered
users of ROAD MODEL.

To register, send fifty pounds to Chainman Technology, 163 Mid
Stocket Road, Aberdeen, Scotland AB2 4LU. You can print
REGFORM.DOC to get a registration form.   





   ' e TECHNICAL SUPPORT
 / a      
Chainman Technology offers no warranties with ROAD MODEL and
assumes no responsibility for any sort of damage resulting from
its use. The Author does want to know of any problems users have
with ROAD MODEL and can be contacted at Chainman Technology.
Please support the development of ROAD MODEL by suggesting
changes and enhancements which you feel would be of benefit.
