1. Workshop on evaluation and cost benefit analysis Helsinki 26th September 2000 Steen Lauritzen Danish Road Directorate

2. Basic values

3. Why evaluate ? Was it worth the costs? Better basis for decionmaking in future projects Necessary to get new projects financed

4. Examples of evaluations QUO VADIS TRIT (Bus priority in a corridor) TRIM (user response) ITS at roadworks (motorway widening)

5. QUO VADIS (effects of VMS signs) 7000 questionaires to drivers in Ålborg 25% returned Roadside interviews (725 interviews) Did driver see sign? Reaction? Measured deviation rate after VMS sign Route choice simulator (300 persons) Time and distance benefits/disbenefits by traffic model (MCONTRAM)

6. TRIT Bus priority in a corridor towards Copenhagen from the North Bus priority in 9 signalised junctions Kiss and Ride Electronic time table

7. TRIT- evaluation methods Interview of bus passengers at busstops after implementation Questionare in busses after implementation Bus travel time measurements (before/after) Interview of bus drivers Measurement of number of users of Kiss-and-Ride

8. TRIM Motorway information system Questionaire distributed to drivers on off-ramps Do they listen to radio broadcast Do they react Attitude to queue messages Use of Internet to get traffic information

9. ITS at motorway widening Evaluation methods VMS: Speed (64), queue warning (2 x 5), text (5): Questionaire to 2200 drivers with electronic tag Queue warning, speed analysis Interview of operators of control centre Floating car measurements to check system for travel time measurement (electronic tags + delay on text VMS)